BWI to COS flight delays & on-time performance
Nonstop flights from Baltimore/Washington International Thurgood Marshall Airport to City of Colorado Springs Municipal Airport · 1,503 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at BWI or COS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Baltimore (BWI) to Colorado Springs (COS) arrived on time 82% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0% were cancelled, and 2% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 12pm did best (92% on time); around 10am did worst (73%).
- Monday was the most reliable day to fly (88% on time) and Sunday the least (75%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (42%).
Which airline is most on time from BWI to COS?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Southwest Airlines | 82% | 0.0% | 7 min | 2.1% | 97 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 10am73%26 flights
- 12pm92%24 flights
- 3pm77%22 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday88%0.0% cancelled
- Tuesday88%0.0% cancelled
- Wednesday79%0.0% cancelled
- Thursday77%0.0% cancelled
- Friday88%0.0% cancelled
- Saturday83%0.0% cancelled
- Sunday75%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)42%
- Air traffic control & airport congestion38%
- Late-arriving aircraft20%
- Extreme weather0%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
No cancellation causes recorded in this period.
BWI to COS: common questions
- How often are BWI to COS flights on time?
- 82% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Baltimore to Colorado Springs cancelled?
- 0.0% of scheduled flights were cancelled (0 of 97).
- How long are typical delays?
- Across all flights the average arrival delay was 7 min (early arrivals count as zero). Flights that were late arrived 36 min behind schedule on average, and 2.1% of flights were an hour or more late.
- How long is taxi time at BWI?
- Flights on this route spent 13 min taxiing from the gate to takeoff on average.
Related routes
Return trip: COS to BWI — 86% on time
More flights from Baltimore
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: BWI → COS, nonstop flights by US airlines that report to the DOT. How we calculate this.