Southwest Airlines · San Francisco, CA to Las Vegas, NV · 22 flights observed, 2025-10-02 to 2025-10-31 · 414 mi
WN937 covers more than one route in the data window — the stats below are for SFO → LAS, the one it has flown most recently. The others are linked under “Other routes”.
How often is WN937 on time?
Across 22 flights on SFO → LAS from 2025-10-02 to 2025-10-31, WN937 arrived within 15 minutes of schedule 45% of the time. The median arrival delay was +17 min, and the worst 10% of flights arrived +148 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 10 | 45% |
| 16-30 min | 5 | 23% |
| 31-60 min | 4 | 18% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 3 | 14% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 22 | 45% | +37 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 0% |
| Tue | 4 | 100% |
| Wed | 4 | 75% |
| Thu | 5 | 20% |
| Fri | 5 | 40% |
| 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…