WN4948 MDW → PHL

Southwest Airlines · Chicago, IL to Philadelphia, PA · 23 flights observed, 2026-06-04 to 2026-06-30 · 668 mi

WN4948 covers more than one route in the data window — the stats below are for MDW → PHL, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
57%
Median delay
+8 min
90th percentile
+128 min
Cancellation rate
4%

How often is WN4948 on time?

Across 23 flights on MDW → PHL from 2026-06-04 to 2026-06-30, WN4948 arrived within 15 minutes of schedule 57% of the time. The median arrival delay was +8 min, and the worst 10% of flights arrived +128 min or later. 4% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1257%
16-30 min419%
31-60 min15%
61-120 min15%
2+ hrs314%

Performance by month

MonthFlightsOn-timeAvg delay
2026-062157%+39 min

Performance by day of week

DayFlightsOn-time
Mon425%
Tue475%
Wed1100%
Thu450%
Fri475%
SatNo data—
Sun450%

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