WN2155 MDW → PIT

Southwest Airlines · Chicago, IL to Pittsburgh, PA · 55 flights observed, 2025-11-02 to 2026-01-05 · 402 mi

WN2155 covers more than one route in the data window — the stats below are for MDW → PIT, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
85%
Median delay
-12 min
90th percentile
+30 min
Cancellation rate
4%

How often is WN2155 on time?

Across 55 flights on MDW → PIT from 2025-11-02 to 2026-01-05, WN2155 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +30 min or later. 4% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4585%
16-30 min24%
31-60 min48%
61-120 min24%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-112291%-6 min
2025-122781%-1 min
2026-01475%+5 min

Performance by day of week

DayFlightsOn-time
Mon989%
Tue978%
Wed9100%
Thu888%
Fri978%
SatNo data—
Sun978%

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