Flight OddsWN4623 SEA → DEN
Southwest Airlines · Seattle, WA to Denver, CO · 24 flights observed, 2025-08-07 to 2025-09-29 · 1,024 mi
WN4623 covers more than one route in the data window — the stats below are for SEA → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
46%
Median delay
+16 min
90th percentile
+77 min
Cancellation rate
0%
How often is WN4623 on time?
Across 24 flights on SEA → DEN from 2025-08-07 to 2025-09-29, WN4623 arrived within 15 minutes of schedule 46% of the time. The median arrival delay was +16 min, and the worst 10% of flights arrived +77 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 | 11 | 46% |
| 16-30 min | 7 | 29% |
| 31-60 min | 2 | 8% |
| 61-120 min | 3 | 13% |
| 2+ hrs | 1 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 11 | 36% | +36 min |
| 2025-09 | 13 | 54% | +21 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 75% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 8 | 38% |
| Fri | 8 | 25% |
| 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…