Flight OddsWN4140 STS → SAN
Southwest Airlines · Santa Rosa, CA to San Diego, CA · 57 flights observed, 2026-04-08 to 2026-06-03 · 508 mi
WN4140 covers more than one route in the data window — the stats below are for STS → SAN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
96%
Median delay
-13 min
90th percentile
+2 min
Cancellation rate
0%
How often is WN4140 on time?
Across 57 flights on STS → SAN from 2026-04-08 to 2026-06-03, WN4140 arrived within 15 minutes of schedule 96% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +2 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 | 55 | 96% |
| 16-30 min | 1 | 2% |
| 31-60 min | 0 | 0% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 23 | 96% | -7 min |
| 2026-05 | 31 | 97% | -14 min |
| 2026-06 | 3 | 100% | -14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 100% |
| Tue | 8 | 100% |
| Wed | 9 | 89% |
| Thu | 8 | 88% |
| Fri | 8 | 100% |
| Sat | 8 | 100% |
| Sun | 8 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…