Originally Posted by

**Antarius**
AA has 5 ORD-SFO flights. 5 flights isnt "doesnt want to compete". UA has 9, as it's a hub-hub route so the OP has an option (although the 2 morning flights are on a 739 and 753)

There's a big difference in gauge, too. Tomorrow's flights:

AA, 2x 321, 2x 738

UA, 1x 738, 4x 739, 3x 753, 1x 772