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).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 45 | 85% |
| 16-30 min | 2 | 4% |
| 31-60 min | 4 | 8% |
| 61-120 min | 2 | 4% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 22 | 91% | -6 min |
| 2025-12 | 27 | 81% | -1 min |
| 2026-01 | 4 | 75% | +5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 9 | 89% |
| Tue | 9 | 78% |
| Wed | 9 | 100% |
| Thu | 8 | 88% |
| Fri | 9 | 78% |
| Sat | No data | — |
| Sun | 9 | 78% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…