Flight OddsWN4173 PHL → MDW
Southwest Airlines · Philadelphia, PA to Chicago, IL · 33 flights observed, 2026-03-05 to 2026-04-06 · 668 mi
WN4173 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
91%
Median delay
-2 min
90th percentile
+14 min
Cancellation rate
3%
How often is WN4173 on time?
Across 33 flights on PHL → MDW from 2026-03-05 to 2026-04-06, WN4173 arrived within 15 minutes of schedule 91% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +14 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 29 | 91% |
| 16-30 min | 2 | 6% |
| 31-60 min | 1 | 3% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 26 | 88% | -1 min |
| 2026-04 | 6 | 100% | 0 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 80% |
| Tue | 4 | 75% |
| Wed | 4 | 100% |
| Thu | 4 | 100% |
| Fri | 5 | 100% |
| Sat | 5 | 100% |
| Sun | 5 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…