WN937 LAS → MDW
Southwest Airlines · Las Vegas, NV to Chicago, IL · 15 flights observed, 2025-07-03 to 2025-08-04 · 1,521 mi
WN937 covers more than one route in the data window — the stats below are for LAS → MDW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
29%
Median delay
+28 min
90th percentile
+90 min
Cancellation rate
7%
How often is WN937 on time?
Across 15 flights on LAS → MDW from 2025-07-03 to 2025-08-04, WN937 arrived within 15 minutes of schedule 29% of the time. The median arrival delay was +28 min, and the worst 10% of flights arrived +90 min or later. 7% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 4 | 29% |
| 16-30 min | 3 | 21% |
| 31-60 min | 4 | 29% |
| 61-120 min | 2 | 14% |
| 2+ hrs | 1 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 12 | 33% | +39 min |
| 2025-08 | 2 | 0% | +40 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 40% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 5 | 20% |
| Fri | 4 | 25% |
| Sat | No data | — |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…