Flight OddsSouthwest Airlines · Las Vegas, NV to San Francisco, CA · 41 flights observed, 2026-01-06 to 2026-03-04 · 414 mi
WN4400 covers more than one route in the data window — the stats below are for LAS → SFO, the one it has flown most recently. The others are linked under “Other routes”.
How often is WN4400 on time?
Across 41 flights on LAS → SFO from 2026-01-06 to 2026-03-04, WN4400 arrived within 15 minutes of schedule 68% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +40 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 | 28 | 68% |
| 16-30 min | 6 | 15% |
| 31-60 min | 4 | 10% |
| 61-120 min | 2 | 5% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 21 | 86% | -4 min |
| 2026-02 | 17 | 53% | +24 min |
| 2026-03 | 3 | 33% | +25 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 75% |
| Tue | 8 | 63% |
| Wed | 9 | 67% |
| Thu | 5 | 60% |
| Fri | 6 | 83% |
| Sat | 5 | 60% |
| 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…