WN1731 MDW → PHL
Southwest Airlines · Chicago, IL to Philadelphia, PA · 25 flights observed, 2026-01-11 to 2026-03-02 · 668 mi
WN1731 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
65%
Median delay
+4 min
90th percentile
+29 min
Cancellation rate
8%
How often is WN1731 on time?
Across 25 flights on MDW → PHL from 2026-01-11 to 2026-03-02, WN1731 arrived within 15 minutes of schedule 65% of the time. The median arrival delay was +4 min, and the worst 10% of flights arrived +29 min or later. 8% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 15 | 65% |
| 16-30 min | 5 | 22% |
| 31-60 min | 2 | 9% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 4 | 100% | -3 min |
| 2026-02 | 17 | 53% | +16 min |
| 2026-03 | 2 | 100% | -15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 60% |
| Tue | 1 | 100% |
| Wed | No data | — |
| Thu | 5 | 20% |
| Fri | 5 | 80% |
| Sat | 3 | 100% |
| Sun | 4 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…