WN2551 PHL → MDW
Southwest Airlines · Philadelphia, PA to Chicago, IL · 58 flights observed, 2025-11-02 to 2026-01-04 · 668 mi
WN2551 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
68%
Median delay
+9 min
90th percentile
+46 min
Cancellation rate
2%
How often is WN2551 on time?
Across 58 flights on PHL → MDW from 2025-11-02 to 2026-01-04, WN2551 arrived within 15 minutes of schedule 68% of the time. The median arrival delay was +9 min, and the worst 10% of flights arrived +46 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 38 | 68% |
| 16-30 min | 4 | 7% |
| 31-60 min | 10 | 18% |
| 61-120 min | 3 | 5% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 24 | 75% | +7 min |
| 2025-12 | 29 | 66% | +19 min |
| 2026-01 | 3 | 33% | +37 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 9 | 56% |
| Tue | 9 | 67% |
| Wed | 9 | 67% |
| Thu | 8 | 88% |
| Fri | 9 | 67% |
| Sat | 3 | 100% |
| Sun | 9 | 56% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…