COS → BWI Southwest Airlines

Southwest Airlines · Colorado Springs, CO to Baltimore, MD · 128 flights, 2025-07-01 to 2026-01-04 · aggregated across 10 flight numbers

This route runs much more reliably at some times of day than others — 100% on-time departing 6–9am vs. 62% departing 12–3pm.
On-time arrival
82%
Median delay
-5 min
90th percentile
+34 min
Cancellation rate
1%

How on-time is Southwest Airlines from COS to BWI?

Across every Southwest Airlines flight number on COS → BWI (128 flights, 2025-07-01 to 2026-01-04), 82% arrived within 15 minutes of schedule. Median arrival delay -5 min; the worst 10% ran +34 min or later. 1% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time10382%
16-30 min65%
31-60 min119%
61-120 min43%
2+ hrs11%

Performance by month

MonthFlightsOn-timeAvg delay
2025-072966%+14 min
2025-082576%+3 min
2025-092696%-5 min
2025-102696%-7 min
2025-115100%-14 min
2025-121173%+8 min
2026-01367%+9 min

Performance by day of week

DayFlightsOn-time
Mon1984%
Tue2162%
Wed1878%
Thu1794%
Fri2095%
Sat10100%
Sun2075%

Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…