domestic · 1h 15m · 475 km
Jacksonville to Atlanta
2 airlines · 2 aircraft ranked
In economy, Delta's Main Cabin (A220-300) dominates the field with a 5.2/10.Delta is the only carrier offering first class on this route, scoring 2.8/10.
Quick pick
Fly Delta. It has 3 more inches of legroom and free Wi-Fi (paid on Frontier).
Worth picking even at a small price premium.
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. Frontier: bring your own device.
- Most legroom: Delta (31"). Least: Frontier (28"). That 3" difference matters with kids.
Route insights
- In economy, Delta's Main Cabin (A220-300) dominates the field with a 5.2/10.
- Delta is the only carrier offering first class on this route, scoring 2.8/10.
Frequently asked
Which is better in economy: Delta or Frontier on JAX-ATL?
Main Cabin (Delta Air Lines, A220-300) dominates Economy (Frontier Airlines, A320neo) in economy, scoring 5.2/10 vs 2.2. The deciding factor: 31" of pitch vs 28".
What are the best seats in Delta Delta First Class on JAX-ATL?
Best: Row 1 for maximum legroom as a bulkhead. Seats 1A and 1F offer window views with extra privacy. The 2-2 layout means no middle seats. Avoid: Row 3 is closest to the forward galley and lavatory. Bulkhead rows lack under-seat storage during taxi, takeoff, and landing. The A220 has one of the widest domestic first class seats at 20.5 inches. Collins MiQ recliners with individual AC power and USB-A. 13.3-inch seatback HD screens with live TV and 300+ on-demand titles. Delta Sync WiFi free for SkyMiles members. Complimentary meal service on flights over 900 miles; snack basket on shorter flights.
What are the best seats in Delta Main Cabin on JAX-ATL?
Best: The 2-seat side (A-B) avoids the middle seat entirely. Exit row seats offer extra legroom. Comfort+ seats in rows 10-18 have 34-inch pitch. Avoid: Last rows (32-33) have limited recline and are near the rear lavatory. Middle seat E in the 3-seat section is the tightest spot. The A220 economy is the widest in Delta's narrowbody fleet at 18.6 inches — 1.5 inches wider than the 737. The 2-3 asymmetric layout means only one middle seat per row instead of two. 10.1-inch seatback screens with live TV. Delta Sync WiFi free for SkyMiles members. USB-A at every seat, AC outlets shared between pairs (left side) or trios (right side). 30 Comfort+ seats have 34-inch pitch; 88 Main Cabin seats have 30-32 inches.
What are the best seats in Frontier Economy on JAX-ATL?
Best: Exit row seats for extra legroom without paying for Stretch. Avoid: Last row has no recline and lavatory proximity. All middle seats are uncomfortable at 28-inch pitch. 28-inch pitch ties Spirit for the tightest in the US industry. No wifi, no power outlets, no seatback screens, no streaming entertainment. Tray tables are approximately 50% smaller than standard. All food and beverages are buy-on-board. Individual air nozzles and overhead reading lights are available. 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.