Flight OddsWN3991 SNA → LAS
Southwest Airlines · Santa Ana, CA to Las Vegas, NV · 34 flights observed, 2025-07-01 to 2025-08-04 · 226 mi
WN3991 covers more than one route in the data window — the stats below are for SNA → LAS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
78%
Median delay
-4 min
90th percentile
+37 min
Cancellation rate
6%
How often is WN3991 on time?
Across 34 flights on SNA → LAS from 2025-07-01 to 2025-08-04, WN3991 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +37 min or later. 6% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 25 | 78% |
| 16-30 min | 1 | 3% |
| 31-60 min | 5 | 16% |
| 61-120 min | 1 | 3% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 28 | 79% | +7 min |
| 2025-08 | 4 | 75% | +3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 100% |
| Tue | 5 | 60% |
| Wed | 5 | 60% |
| Thu | 3 | 100% |
| Fri | 4 | 75% |
| Sat | 5 | 100% |
| Sun | 5 | 60% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…