WN1378 DEN → COS

Southwest Airlines · Denver, CO to Colorado Springs, CO · 58 flights observed, 2025-08-05 to 2025-10-01 · 73 mi

This flight's reliability varies a lot by day of week — 100% on-time on Mondays vs. 57% on Sundays.

WN1378 covers more than one route in the data window — the stats below are for DEN → COS, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
82%
Median delay
-5 min
90th percentile
+33 min
Cancellation rate
3%

How often is WN1378 on time?

Across 58 flights on DEN → COS from 2025-08-05 to 2025-10-01, WN1378 arrived within 15 minutes of schedule 82% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +33 min or later. 3% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4682%
16-30 min35%
31-60 min35%
61-120 min24%
2+ hrs24%

Performance by month

MonthFlightsOn-timeAvg delay
2025-082584%+13 min
2025-093080%+3 min
2025-101100%-13 min

Performance by day of week

DayFlightsOn-time
Mon8100%
Tue863%
Wed989%
Thu8100%
Fri875%
Sat888%
Sun757%

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