WN1187 COS → DEN

Southwest Airlines · Colorado Springs, CO to Denver, CO · 64 flights observed, 2025-11-02 to 2026-01-05 · 73 mi

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

WN1187 covers more than one route in the data window — the stats below are for COS → DEN, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
86%
Median delay
-10 min
90th percentile
+23 min
Cancellation rate
0%

How often is WN1187 on time?

Across 64 flights on COS → DEN from 2025-11-02 to 2026-01-05, WN1187 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +23 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time5586%
16-30 min46%
31-60 min46%
61-120 min12%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-112889%-7 min
2025-123181%-2 min
2026-015100%-10 min

Performance by day of week

DayFlightsOn-time
Mon1090%
Tue989%
Wed989%
Thu863%
Fri9100%
Sat989%
Sun1080%

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