Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Philadelphia → Denver via Chicago: arrives on time 34%
-
18:55 PHL → 20:20 MDWWN 3226 · Southwest · 2h 25m · 62% on time, 6.0% cancelled
-
1h 05m layover in Chicago (MDW) · 45 min minimum on one ticket
-
21:25 MDW → 23:05 DENWN 2770 · Southwest · 2h 45m · 58% on time, 3.5% cancelled
Total trip 6h 15m, scheduled departure to arrival (Denver is 2 h behind Philadelphia). Times are local. Both flew on 48 of the last 56 days.
Makes the connection64%The first flight arrived more than 20 minutes late on 36% of the days it flew: too late for the 45-minute minimum connection on a 1h 05m layover.
Arrives on time34%First flight not cancelled (6.0% are) × connection made (64%) × second flight not cancelled (3.5% are) and within 15 minutes (58%).
Total trip6h 15mPHL 18:55 to DEN 23:05, 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.