transatlantic · 8h 00m · 6,351 km

Chicago to London

3 airlines · 3 aircraft ranked

How we score →

Quick pick

Best business class: strong pick

Fly American. It has 4 more inches of legroom and a wider seat (21" vs 18.5").

If fares are comparable, this is the better cabin.

Best premium economy: close call

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

If fares are comparable, this is the better cabin.

Best economy: strong pick

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

If prices are similar, go with this one.

Data verified April 2026
1
AA
Flagship BusinessAmerican · Boeing 777-300ER · 2024 cabinBest on route
Suite with door · 1-2-1 · 42" pitchAvg. reliability
Free Wi-Fi + Suite with door + Wider seat
6.8
Seat 6.0·Amenity 7.9
2
BA
Club SuiteBritish Airways · Airbus A350-1000 · 2019 cabin
Lie-flat with door · 1-2-1 · 38" pitchAvg. reliability
5.9
Seat 5.0·Amenity 7.3
3
UA
Polaris BusinessUnited · Boeing 767-300ER · 2018 cabin
Lie-flat · 1-1-1 · 46" pitchReliable
More legroom
5.8
Seat 4.4·Amenity 7.9

Select two airlines to compare head-to-head

Route insights

  • In business class, American's Flagship Business (777-300ER) leads the field with a 6.8/10.
  • In premium economy, American's Premium Economy (777-300ER) edges out the field with a 5.5/10.
  • In economy, American's Main Cabin (777-300ER) leads the field with a 5.1/10.