domestic · 4h 10m · 2,805 km

Chicago to Los Angeles

3 airlines · 3 aircraft ranked

How we score →

Quick pick

Best economy: close call

Fly American. It scores higher across seat comfort and amenities.

If prices are similar, go with this one.

Best first class: close call

Fly United. It scores higher across seat comfort and amenities.

If fares are comparable, this is the better cabin.

Data verified April 2026
1
UA
United FirstUnited · Boeing 737-900ER · 2012 cabinBest on route
recliner · 2-2 · 37" pitchReliable
Better IFE
2.8
Seat 1.2·Amenity 5.1
2
AA
First ClassAmerican · Airbus A321neo · 2023 cabin
recliner · 2-2 · 37" pitchAvg. reliability
2.5
Seat 1.3·Amenity 4.4

Select two airlines to compare head-to-head

Flying with family

  • Seatback screens on United. American, Spirit — bring your own device.
  • Most legroom: American (30"). Least: Spirit (28"). That 2" difference matters with kids.
  • Power outlets on American, United — keep tablets charged.

Route insights

  • In economy, American's Main Cabin (A321neo) edges out the field with a 3.7/10.
  • In first class, United's United First (737-900ER) edges out the field with a 2.8/10.