COS to AZA flight delays & on-time performance
Nonstop flights from City of Colorado Springs Municipal Airport to Mesa Gateway Airport · 543 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at COS or AZA right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Colorado Springs (COS) to Phoenix (AZA) arrived on time 65% 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.
- Thursday was the most reliable day to fly (67% on time) and Sunday the least (67%).
- The largest source of delay minutes was late-arriving aircraft (60%).
Which airline is most on time from COS to AZA?
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 | 65% | 0.0% | 30 min | 13.6% | 66 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 3pm83%24 flights
- 6pm29%14 flights
Best day of the week
On-time arrival rate by day of departure.
- Tuesday67%0.0% cancelled
- Thursday67%0.0% cancelled
- Saturday33%0.0% cancelled
- Sunday67%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 aircraft60%
- Airline (crew, maintenance, cleaning, fueling)25%
- Air traffic control & airport congestion13%
- Extreme weather2%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
No cancellation causes recorded in this period.
COS to AZA: common questions
- How often are COS to AZA flights on time?
- 65% 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 Colorado Springs to Phoenix cancelled?
- 0.0% of scheduled flights were cancelled (0 of 66).
- How long are typical delays?
- Across all flights the average arrival delay was 30 min (early arrivals count as zero). Flights that were late arrived 83 min behind schedule on average, and 13.6% of flights were an hour or more late.
- How long is taxi time at COS?
- Flights on this route spent 18 min taxiing from the gate to takeoff on average.
Related routes
Return trip: AZA to COS — 70% on time
More flights from Colorado Springs
More flights to Phoenix
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: COS → AZA, nonstop flights by US airlines that report to the DOT. How we calculate this.