WN1452 STL → DEN

Southwest Airlines · St. Louis, MO to Denver, CO · 25 flights observed, 2026-01-11 to 2026-03-02 · 770 mi

This flight has been getting more reliable recently — 2026-02's on-time rate (89%) is well above the 60% average from earlier months.

WN1452 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
84%
Median delay
-8 min
90th percentile
+18 min
Cancellation rate
0%

How often is WN1452 on time?

Across 25 flights on STL → DEN from 2026-01-11 to 2026-03-02, WN1452 arrived within 15 minutes of schedule 84% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +18 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2184%
16-30 min28%
31-60 min14%
61-120 min00%
2+ hrs14%

Performance by month

MonthFlightsOn-timeAvg delay
2026-01560%+13 min
2026-021889%-1 min
2026-032100%-11 min

Performance by day of week

DayFlightsOn-time
Mon5100%
Tue1100%
WedNo data—
Thu580%
Fri580%
Sat3100%
Sun667%

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