WN3630 DEN → TUL
Southwest Airlines · Denver, CO to Tulsa, OK · 33 flights observed, 2026-04-07 to 2026-06-03 · 541 mi
WN3630 covers more than one route in the data window — the stats below are for DEN → TUL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
76%
Median delay
+1 min
90th percentile
+30 min
Cancellation rate
0%
How often is WN3630 on time?
Across 33 flights on DEN → TUL from 2026-04-07 to 2026-06-03, WN3630 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +30 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 | 25 | 76% |
| 16-30 min | 5 | 15% |
| 31-60 min | 3 | 9% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 14 | 93% | -3 min |
| 2026-05 | 17 | 65% | +8 min |
| 2026-06 | 2 | 50% | +16 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | 9 | 67% |
| Wed | 9 | 67% |
| Thu | No data | — |
| Fri | No data | — |
| Sat | 8 | 88% |
| Sun | 7 | 86% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…