Flight OddsWN3817 STL → PHX
Southwest Airlines · St. Louis, MO to Phoenix, AZ · 58 flights observed, 2026-01-06 to 2026-03-04 · 1,262 mi
WN3817 covers more than one route in the data window — the stats below are for STL → PHX, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
72%
Median delay
-1 min
90th percentile
+46 min
Cancellation rate
0%
How often is WN3817 on time?
Across 58 flights on STL → PHX from 2026-01-06 to 2026-03-04, WN3817 arrived within 15 minutes of schedule 72% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +46 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 | 42 | 72% |
| 16-30 min | 6 | 10% |
| 31-60 min | 7 | 12% |
| 61-120 min | 2 | 3% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 26 | 77% | +7 min |
| 2026-02 | 28 | 68% | +5 min |
| 2026-03 | 4 | 75% | +6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 75% |
| Tue | 9 | 78% |
| Wed | 9 | 89% |
| Thu | 8 | 75% |
| Fri | 8 | 63% |
| Sat | 8 | 63% |
| Sun | 8 | 63% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…