WN3630 DEN → TUL

Southwest Airlines · Denver, CO to Tulsa, OK · 33 flights observed, 2026-04-07 to 2026-06-03 · 541 mi

This flight has been getting less reliable recently — 2026-05's on-time rate (65%) is well below the 93% average from earlier months.

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).

ArrivalFlightsShare
Early / on-time2576%
16-30 min515%
31-60 min39%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-041493%-3 min
2026-051765%+8 min
2026-06250%+16 min

Performance by day of week

DayFlightsOn-time
MonNo data—
Tue967%
Wed967%
ThuNo data—
FriNo data—
Sat888%
Sun786%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…