AZA to COS flight delays & on-time performance
Nonstop flights from Mesa Gateway Airport to City of Colorado Springs Municipal Airport · 543 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at AZA or COS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Phoenix (AZA) to Colorado Springs (COS) arrived on time 70% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0% were cancelled, and 14% arrived an hour or more late.
- Allegiant Air is the only airline reporting nonstop flights on this route.
- Departures scheduled around 12pm did best (86% on time); around 3pm did worst (40%).
- Thursday was the most reliable day to fly (70% on time) and Sunday the least (70%).
- The largest source of delay minutes was late-arriving aircraft (52%).
Which airline is most on time from AZA 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 |
|---|---|---|---|---|---|
| Allegiant Air | 70% | 0.0% | 23 min | 13.6% | 66 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 12pm86%29 flights
- 3pm40%20 flights
Best day of the week
On-time arrival rate by day of departure.
- Tuesday100%0.0% cancelled
- Thursday70%0.0% cancelled
- Saturday33%0.0% cancelled
- Sunday70%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 aircraft52%
- Airline (crew, maintenance, cleaning, fueling)33%
- Extreme weather10%
- Air traffic control & airport congestion5%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
No cancellation causes recorded in this period.
AZA to COS: common questions
- How often are AZA to COS flights on time?
- 70% 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 Phoenix to Colorado Springs cancelled?
- 0.0% of scheduled flights were cancelled (0 of 66).
- How long are typical delays?
- Across all flights the average arrival delay was 23 min (early arrivals count as zero). Flights that were late arrived 70 min behind schedule on average, and 13.6% of flights were an hour or more late.
- How long is taxi time at AZA?
- Flights on this route spent 15 min taxiing from the gate to takeoff on average.
Related routes
Return trip: COS to AZA — 65% on time
More flights from Phoenix
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: AZA → COS, nonstop flights by US airlines that report to the DOT. How we calculate this.