Flight OddsWN4621 TUL → DEN
Southwest Airlines · Tulsa, OK to Denver, CO · 48 flights observed, 2026-01-06 to 2026-03-03 · 541 mi
WN4621 covers more than one route in the data window — the stats below are for TUL → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
85%
Median delay
-5 min
90th percentile
+24 min
Cancellation rate
4%
How often is WN4621 on time?
Across 48 flights on TUL → DEN from 2026-01-06 to 2026-03-03, WN4621 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +24 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 39 | 85% |
| 16-30 min | 3 | 7% |
| 31-60 min | 3 | 7% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 19 | 89% | -2 min |
| 2026-02 | 24 | 79% | +0 min |
| 2026-03 | 3 | 100% | -2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 86% |
| Tue | 9 | 89% |
| Wed | 8 | 88% |
| Thu | 8 | 88% |
| Fri | 7 | 86% |
| Sat | No data | — |
| Sun | 7 | 71% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…