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

Austin → Jacksonville via Houston: arrives on time 50%

  1. 16:10 AUS → 17:25 IAH
    UA 4004 · United, flown by Mesa · 1h 15m · 73% on time, 0.0% cancelled
  2. 50m layover in Houston (IAH) · 45 min minimum on one ticket
  3. 18:15 IAH → 21:41 JAX
    UA 4035 · United, flown by Mesa · 2h 26m · 78% on time, 0.0% cancelled

Total trip 4h 31m, scheduled departure to arrival (Jacksonville is 1 h ahead of Austin). Times are local. Both flew on 36 of the last 56 days.

Makes the connection64%The first flight arrived more than 5 minutes late on 36% of the days it flew: too late for the 45-minute minimum connection on a 50m layover.
Arrives on time50%First flight not cancelled (0.0% are) × connection made (64%) × second flight not cancelled (0.0% are) and within 15 minutes (78%).
Total trip4h 31mAUS 16:10 to JAX 21:41, 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.