MDW to COS flight delays & on-time performance
Nonstop flights from Chicago Midway International Airport to City of Colorado Springs Municipal Airport · 917 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at MDW or COS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Chicago (MDW) to Colorado Springs (COS) arrived on time 73% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.5% were cancelled, and 5% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 7am did best (88% on time); around 5pm did worst (59%).
- Thursday was the most reliable day to fly (88% on time) and Sunday the least (61%).
- The largest source of delay minutes was late-arriving aircraft (33%).
Which airline is most on time from MDW 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 | 73% | 0.5% | 12 min | 4.8% | 189 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am88%43 flights
- 8am58%12 flights
- 11am46%13 flights
- 12pm70%40 flights
- 2pm67%27 flights
- 4pm83%25 flights
- 5pm59%17 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday68%0.0% cancelled
- Tuesday83%0.0% cancelled
- Wednesday76%4.5% cancelled
- Thursday88%0.0% cancelled
- Friday71%0.0% cancelled
- Saturday70%0.0% cancelled
- Sunday61%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.
- Late-arriving aircraft33%
- Airline (crew, maintenance, cleaning, fueling)32%
- Air traffic control & airport congestion22%
- Extreme weather12%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
MDW to COS: common questions
- How often are MDW to COS flights on time?
- 73% 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 Chicago to Colorado Springs cancelled?
- 0.5% of scheduled flights were cancelled (1 of 189).
- How long are typical delays?
- Across all flights the average arrival delay was 12 min (early arrivals count as zero). Flights that were late arrived 41 min behind schedule on average, and 4.8% of flights were an hour or more late.
- How long is taxi time at MDW?
- Flights on this route spent 15 min taxiing from the gate to takeoff on average.
Related routes
Return trip: COS to MDW — 75% on time
More flights from Chicago
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: MDW → COS, nonstop flights by US airlines that report to the DOT. How we calculate this.