WN3730 PHL → MDW

Southwest Airlines · Philadelphia, PA to Chicago, IL · 58 flights observed, 2026-04-07 to 2026-06-03 · 668 mi

This flight's reliability varies a lot by day of week — 89% on-time on Tuesdays vs. 38% on Thursdays.

WN3730 covers more than one route in the data window — the stats below are for PHL → MDW, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
63%
Median delay
+10 min
90th percentile
+66 min
Cancellation rate
0%

How often is WN3730 on time?

Across 58 flights on PHL → MDW from 2026-04-07 to 2026-06-03, WN3730 arrived within 15 minutes of schedule 63% of the time. The median arrival delay was +10 min, and the worst 10% of flights arrived +66 min or later. 0% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time3663%
16-30 min1018%
31-60 min35%
61-120 min611%
2+ hrs24%

Performance by month

MonthFlightsOn-timeAvg delay
2026-042374%+6 min
2026-053155%+32 min
2026-06367%+2 min

Performance by day of week

DayFlightsOn-time
Mon743%
Tue989%
Wed967%
Thu838%
Fri888%
Sat875%
Sun838%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…