Flight OddsWN4037 PHX → DEN
Southwest Airlines · Phoenix, AZ to Denver, CO · 57 flights observed, 2025-08-05 to 2025-10-01 · 602 mi
WN4037 covers more than one route in the data window — the stats below are for PHX → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
54%
Median delay
+14 min
90th percentile
+113 min
Cancellation rate
0%
How often is WN4037 on time?
Across 57 flights on PHX → DEN from 2025-08-05 to 2025-10-01, WN4037 arrived within 15 minutes of schedule 54% of the time. The median arrival delay was +14 min, and the worst 10% of flights arrived +113 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 | 30 | 54% |
| 16-30 min | 4 | 7% |
| 31-60 min | 7 | 13% |
| 61-120 min | 10 | 18% |
| 2+ hrs | 5 | 9% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 25 | 40% | +54 min |
| 2025-09 | 30 | 63% | +37 min |
| 2025-10 | 1 | 100% | -13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 63% |
| Tue | 9 | 56% |
| Wed | 9 | 67% |
| Thu | 7 | 71% |
| Fri | 8 | 38% |
| Sat | 8 | 50% |
| Sun | 7 | 29% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…