Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Tucson → San Francisco via Dallas-Fort Worth: arrives on time 28%

  1. 15:57 TUS → 20:29 DFW
    AA 584 · American · 2h 32m · 64% on time, 7.5% cancelled
  2. 1h 05m layover in Dallas-Fort Worth (DFW) · 45 min minimum on one ticket
  3. 21:34 DFW → 23:18 SFO
    AA 2430 · American · 3h 44m · 48% on time, 4.7% cancelled

Total trip 7h 21m, scheduled departure to arrival. Times are local. Both flew on 32 of the last 56 days.

Makes the connection68%The first flight arrived more than 20 minutes late on 32% of the days it flew: too late for the 45-minute minimum connection on a 1h 05m layover.
Arrives on time28%First flight not cancelled (7.5% are) × connection made (68%) × second flight not cancelled (4.7% are) and within 15 minutes (48%).
Total trip7h 21mTUS 15:57 to SFO 23:18, layover included

Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.