domestic · 5h 40m · 4,175 km
Boston to Los Angeles
4 airlines · 6 aircraft ranked
In business class, Delta's Delta One Suite (A330-900) leads the field with a 8.5/10.Delta is the only carrier offering premium economy on this route, scoring 5.3/10.
Quick pick
Fly Delta. It scores higher across seat comfort and amenities.
If fares are comparable, this is the better cabin.
Fly JetBlue. It scores higher across seat comfort and amenities.
If prices are similar, go with this one.
Fly American. It has 24 more inches of legroom and a lie-flat bed.
A noticeably better product that justifies the pick.
Select two airlines to compare head-to-head
Data verified June 2026
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Airlines on this route
Flying with family
- Seatback screens on Delta, Delta, JetBlue, American, United. American: bring your own device.
- Most legroom: JetBlue (32"). Least: United (30"). That 2" difference matters with kids.
Route insights
- In business class, Delta's Delta One Suite (A330-900) leads the field with a 8.5/10.
- Delta is the only carrier offering premium economy on this route, scoring 5.3/10.
- In economy, JetBlue's Core (A321LR) edges out the field with a 5.7/10.
- In first class, American's Flagship First (A321T) dominates the field with a 6.7/10.
Frequently asked
Which is better in business: Delta or JetBlue on BOS-LAX?
Delta One Suite (Delta Air Lines, A330-900) edges out Mint (JetBlue Airways, A321LR) in business, scoring 8.5/10 vs 7.7. The deciding factor: extras.
Which is better in economy: Delta or JetBlue on BOS-LAX?
Core (JetBlue Airways, A321LR) edges out Main Cabin (Delta Air Lines, A330-900) in economy, scoring 5.7/10 vs 4.9. The deciding factor: AC + USB-C vs USB-C only. Delta Air Lines fights back on dining.
Which is better in business: Delta or American on BOS-LAX?
Delta One Suite (Delta Air Lines, A330-900) dominates Flagship Business (American Airlines, A321T) in business, scoring 8.5/10 vs 6.4. The deciding factor: a closed suite door vs an open cabin.
Which is better in economy: Delta or American on BOS-LAX?
Main Cabin (Delta Air Lines, A330-900) and Main Cabin Extra (American Airlines, A321T) score virtually the same in economy: 4.9 vs 5.2/10. The biggest gap is power — AC + USB-C vs USB-C only — but neither carrier pulls ahead overall.
Which is better in economy: Delta or United on BOS-LAX?
Main Cabin (Delta Air Lines, A330-900) edges out Economy (United Airlines, 737-900ER) in economy, scoring 4.9/10 vs 4.2. The deciding factor: AC + USB-C vs USB-C only. United Airlines fights back on power.
Which is better in first: Delta or American on BOS-LAX?
Flagship First (American Airlines, A321T) dominates Delta First Class (Delta Air Lines, A321neo) in first, scoring 6.7/10 vs 2.8. The deciding factor: 62" of pitch vs 38".
Which is better in first: Delta or United on BOS-LAX?
Delta First Class (Delta Air Lines, A321neo) and United First (United Airlines, 737-900ER) score virtually the same in first: 2.8 vs 2.8/10. The biggest gap is seat width — 21"-wide seats vs 20" — but neither carrier pulls ahead overall.
Which is better in business: JetBlue or American on BOS-LAX?
Mint (JetBlue Airways, A321LR) beats Flagship Business (American Airlines, A321T) in business, scoring 7.7/10 vs 6.4. The deciding factor: a closed suite door vs an open cabin. American Airlines fights back on legroom and bed length.
Which is better in economy: JetBlue or American on BOS-LAX?
Core (JetBlue Airways, A321LR) edges out Main Cabin Extra (American Airlines, A321T) in economy, scoring 5.7/10 vs 5.2. The deciding factor: blanket vs no bedding.
Which is better in economy: JetBlue or United on BOS-LAX?
Core (JetBlue Airways, A321LR) beats Economy (United Airlines, 737-900ER) in economy, scoring 5.7/10 vs 4.2. The deciding factor: 32" of pitch vs 30".
Which is better in first: American or United on BOS-LAX?
Flagship First (American Airlines, A321T) dominates United First (United Airlines, 737-900ER) in first, scoring 6.7/10 vs 2.8. The deciding factor: 62" of pitch vs 37".
Which is better in economy: American or United on BOS-LAX?
Main Cabin Extra (American Airlines, A321T) beats Economy (United Airlines, 737-900ER) in economy, scoring 5.2/10 vs 4.2. The deciding factor: 32" of pitch vs 30". United Airlines fights back on entertainment.
What are the best seats in Delta Delta One Suite on BOS-LAX?
Best: Odd-numbered window seats (1A, 3A, 5A, 7A and equivalent on right side) are positioned closer to the window and farther from the aisle, offering maximum privacy. Center pairs work well for couples when the privacy divider is lowered. Avoid: Seat 8A is an orphaned solo window seat in the last row of the cabin -- good for solo travelers but isolated. Even-numbered window seats are closer to the aisle with less privacy. All 29 passengers share only 2 lavatories, a significant downside vs the A350. 29 staggered suites with sliding privacy doors and do-not-disturb indicators. Memory foam cushions on all beds. 18.5-inch seatback screen is among the largest in the industry. Only 2 lavatories for the entire business class cabin is a notable weak point compared to 4 on the A350.
What are the best seats in Delta Delta Premium Select on BOS-LAX?
Best: Row 20 bulkhead has the most legroom. Window doublets (A-B and H-J) are ideal for couples. Row 23 passengers can stand behind their seat and still view IFE. Avoid: Center seats (D-E-F) in any row, especially in row 23 which is closest to the economy cabin partition. 28 seats in 4 rows. Premium amenity kit, enhanced meal service, and dedicated flight attendant. Adjustable headrest with privacy wings. USB-A and AC power at every seat.
What are the best seats in Delta Main Cabin on BOS-LAX?
Best: Delta Comfort+ rows 30-36 (56 seats) offer 34 inches of pitch with extra legroom, priority boarding, and dedicated overhead bins. Row 30 bulkhead has the most space. Window doublets (2-abreast) on each side are great for couples. Avoid: Last 2-3 rows near rear lavatories and galley. Center block middle seats (E and F in the 4-abreast center) are worst on long flights. 2-4-2 layout is more comfortable than 3-3-3 on competing aircraft for couples -- no middle-seat risk in the side sections. 56 of the 224 economy seats are Delta Comfort+ with extra pitch. Complimentary meal service on international flights. Delta Sync free Wi-Fi for SkyMiles members.
What are the best seats in Delta Delta First Class on BOS-LAX?
Best: Row 1 has the most legroom as a bulkhead. 1A and 1D are window seats with the most privacy. All first class seats have memory foam cushioning. Avoid: Row 5 is closest to the Delta Comfort+ cabin and the forward galley/lavatory. Seat 5B and 5C are more exposed to foot traffic. Recaro CL4710 recliner seats with winged headrests for privacy. 13-inch HD touchscreen seatback IFE at every seat. USB and AC power at every seat. Exclusive forward lavatory for first class. Complimentary drinks and snacks, upgraded meal service on longer flights.
What are the best seats in Delta Main Cabin on BOS-LAX?
Best: Delta Comfort+ rows (approximately 10-19, 60 seats) offer 33-34 inches of pitch with priority boarding, dedicated overhead bins, and complimentary premium snacks/drinks. Row 10 bulkhead has the most legroom. Avoid: Rows near the mid-cabin lavatory area (around rows 10-12) may experience traffic and noise. Last 2 rows near rear lavatories. Middle seats (B and E) throughout. 60 of the 174 economy seats are Delta Comfort+ with 33-34 inches of pitch. Remaining 114 Main Cabin seats have 31 inches of pitch. 10-inch seatback IFE at every seat. Collins Aerospace Meridian slimline seats. Delta Sync free Wi-Fi for SkyMiles members. Exit row seats on the A320/A321 family offer extra legroom but do not recline. The row immediately before the exit also has limited recline due to clearance requirements.
What are the best seats in JetBlue Mint on BOS-LAX?
Best: 1A and 1F are both Mint Studios with extra shoulder width, a secondary buddy seat that extends the bed area, and the largest screen in the cabin at 22 inches Avoid: Neither Studio seat has meaningful disadvantages; both are the premium pick Mint Studios cost an upcharge over standard Mint Suites. The buddy seat folds out to extend the sleeping surface and can seat a companion during meal service. Studio passengers get the same meal service as Suites.
What are the best seats in JetBlue Core on BOS-LAX?
Best: Even More Space rows 14-17 offer 35-37 inches of pitch for an upcharge. Exit rows provide up to 41 inches. Avoid: Last rows (30-31) near the rear galley and lavatory. Middle seats (B, E) in any row. JetBlue economy on transatlantic flights includes complimentary snacks, drinks, and a meal. All passengers get free unlimited WiFi and seatback IFE with 10.1-inch screens. Even More Space seats are a separate purchase with extra legroom. Power includes AC outlet and USB-A at every seat. Exit row seats on the A320/A321 family offer extra legroom but do not recline. The row immediately before the exit also has limited recline due to clearance requirements.
What are the best seats in American Flagship First on BOS-LAX?
Best: Row 1A and 1L are farthest from the galley and offer the most privacy. All seats have direct aisle access in the 1-1 layout. Avoid: Row 5 is closest to the business class cabin and may experience some noise from the galley area between cabins. Only 10 suites total on this narrowbody. The 1-1 configuration is unique for a single-aisle aircraft. Sliding doors on all suites. This fleet is being phased out as the A321XLR enters service.
What are the best seats in American Flagship Business on BOS-LAX?
Best: Window seats (A and F) in rows 6-7 offer more privacy and are farther from the economy cabin. Row 6 is a bulkhead with extra legroom. Avoid: Aisle seats in the 2-2 configuration (B and E) lack direct aisle access when the seat is fully reclined. Passengers in window seats must climb over the aisle passenger. Row 10 is closest to the main cabin. The 2-2 layout means not all seats have direct aisle access, a notable downside for a lie-flat product. Quality of the sleep experience is still strong for a narrowbody. Viasat Ka-band Wi-Fi. Live TV available on seatback screens.
What are the best seats in American Main Cabin Extra on BOS-LAX?
Best: Rows 11-16 are designated Main Cabin Extra with 35 inches of pitch. Row 11 bulkhead has the most legroom. Exit row offers additional space. Avoid: Last row (22) has limited recline and is near the rear lavatory. Middle seats (B and E) are least desirable. Half of the economy cabin (36 seats) is Main Cabin Extra with additional pitch. Seatback IFE screens with live TV in all economy seats. Only 72 economy seats total, making this a very premium-heavy narrowbody configuration. Exit row seats on the A320/A321 family offer extra legroom but do not recline. The row immediately before the exit also has limited recline due to clearance requirements.
What are the best seats in American First Class on BOS-LAX?
Best: Row 1A and 1L are farthest from the galley and offer the most privacy. All seats have direct aisle access in the 1-1 layout. Avoid: Row 5 is closest to the business class cabin and may experience some noise from the galley area between cabins. Only 10 suites total on this narrowbody. The 1-1 configuration is unique for a single-aisle aircraft. Sliding doors on all suites. This fleet is being phased out as the A321XLR enters service.
What are the best seats in American Main Cabin on BOS-LAX?
Best: Rows 11-16 are designated Main Cabin Extra with 35 inches of pitch. Row 11 bulkhead has the most legroom. Exit row offers additional space. Avoid: Last row (22) has limited recline and is near the rear lavatory. Middle seats (B and E) are least desirable. Half of the economy cabin (36 seats) is Main Cabin Extra with additional pitch. Seatback IFE screens with live TV in all economy seats. Only 72 economy seats total, making this a very premium-heavy narrowbody configuration. Exit row seats on the A320/A321 family offer extra legroom but do not recline. The row immediately before the exit also has limited recline due to clearance requirements.
What are the best seats in United United First on BOS-LAX?
Best: Row 1 has the most legroom as a bulkhead. 1A and 1F offer the most privacy with the wall on one side. Row 2 is the sweet spot between legroom and storage (bulkhead rows lack under-seat storage). Avoid: Row 5 seats 5A/5B do not recline; 5E/5F have roughly half the recline of other First rows. This is the biggest seat trap on the 737-900ER. Signature Interior with Collins Aerospace Pinnacle seats, 13-inch HD seatback touchscreens with Bluetooth audio, USB-A and USB-C at every seat plus AC outlet. Complimentary meal service on flights over 800 miles; snack basket on shorter flights. ViaSat Ka-band WiFi free for MileagePlus members. Starlink awaiting FAA certification for 737-900ER, expected during 2026. Majority of fleet retrofitted to Signature Interior; some older aircraft remain.
What are the best seats in United Economy on BOS-LAX?
Best: Exit row 21 has 38.8 inches of pitch — more than First Class. The 2-seat side rows 20-21 are the best economy seats on the plane. Rows 7-14 are Economy Plus with 33-34-inch pitch. Avoid: Last row (row 33) has severely limited or no recline due to the rear lavatory wall. Rows 32-33 experience galley noise and lavatory traffic. Middle seats (B, E) in any row are the tightest at 30-inch pitch. Signature Interior with 10-inch HD seatback touchscreens and Bluetooth audio. USB-A and USB-C at every seat plus shared AC outlets. ViaSat Ka-band WiFi free for MileagePlus members. 42 Economy Plus seats in rows 7-14 have 33-34-inch pitch; 117 standard Economy seats have 30-inch pitch. Three sub-variants exist (39/42/45 Economy Plus seats); Version 2 with 42 E+ is most common (~84 of ~99 aircraft).