Flight OddsWN3851 PHX → SAN
Southwest Airlines · Phoenix, AZ to San Diego, CA · 24 flights observed, 2025-11-03 to 2026-01-01 · 304 mi
WN3851 covers more than one route in the data window — the stats below are for PHX → SAN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
59%
Median delay
+10 min
90th percentile
+57 min
Cancellation rate
8%
How often is WN3851 on time?
Across 24 flights on PHX → SAN from 2025-11-03 to 2026-01-01, WN3851 arrived within 15 minutes of schedule 59% of the time. The median arrival delay was +10 min, and the worst 10% of flights arrived +57 min or later. 8% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 13 | 59% |
| 16-30 min | 3 | 14% |
| 31-60 min | 4 | 18% |
| 61-120 min | 1 | 5% |
| 2+ hrs | 1 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 7 | 43% | +40 min |
| 2025-12 | 14 | 71% | +6 min |
| 2026-01 | 1 | 0% | +24 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 100% |
| Tue | 5 | 80% |
| Wed | 7 | 29% |
| Thu | 5 | 60% |
| Fri | 1 | 0% |
| 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…