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Route Reliability

Phoenix → Colorado Springs

PHX–COS · 551 miles · Phoenix Sky Harbor International Airport to Colorado Springs Airport

81
Pretty Reliable
WanderNerd Reliability Score
76%
Arrive within 15 minutes
8 min
Average arrival delay
0.1%
Cancelled
993
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 76% of the time across 993 flights. No comparison to make.

What the data says

Morning flights do better here.

PHX–COS flights departing between 6–9 AM arrived on time 92% of the time, versus 62% between 6–9 PM.

Monday is the weak spot.

PHX–COS flights arrived on time 79% of the time on Sundays. On Mondays: 71%.

It basically never cancels.

Out of 993 scheduled flights, only 0.1% were cancelled.

Slipping a little lately.

PHX–COS flights arrived on time 78% of the time over the last three months in the data, compared with 81% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon71%(153 flights)
  • Tue74%(138 flights)
  • Wed74%(136 flights)
  • Thu76%(152 flights)
  • Fri78%(148 flights)
  • Sat78%(112 flights)
  • Sun79%(147 flights)
On-time by departure window
  • 6–9 AM92%(217 flights)
  • 9 AM–12 PM81%(90 flights)
  • 12–3 PM77%(220 flights)
  • 3–6 PM68%(131 flights)
  • 6–9 PM62%(241 flights)
  • 9 PM–12 AM72%(87 flights)
On-time trend by month
69%
May

Jun 61% → May 69% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202561%82
July 202577%83
August 202573%75
September 202583%75
October 202572%86
November 202565%86
December 202574%90
January 202682%72
February 202687%71
March 202684%91
April 202681%87
May 202669%88

Keep nerding

Based on 993 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.