WN2623 STL → DEN

Southwest Airlines · St. Louis, MO to Denver, CO · 49 flights observed, 2026-04-08 to 2026-06-03 · 770 mi

This flight's reliability varies a lot by day of week — 100% on-time on Sundays vs. 63% on Mondays.

WN2623 covers more than one route in the data window — the stats below are for STL → DEN, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
82%
Median delay
+1 min
90th percentile
+20 min
Cancellation rate
0%

How often is WN2623 on time?

Across 49 flights on STL → DEN from 2026-04-08 to 2026-06-03, WN2623 arrived within 15 minutes of schedule 82% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +20 min or later. 0% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time4082%
16-30 min714%
31-60 min24%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-042080%+7 min
2026-052685%+0 min
2026-06367%+3 min

Performance by day of week

DayFlightsOn-time
Mon863%
Tue888%
Wed967%
Thu888%
Fri888%
SatNo data—
Sun8100%

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