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Route Reliability

San Diego → Colorado Springs

SAN–COS · 816 miles · San Diego International Airport to Colorado Springs Airport

77
Usually Fine
WanderNerd Reliability Score
69%
Arrive within 15 minutes
8 min
Average arrival delay
0%
Cancelled
134
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 69% of the time across 134 flights. No comparison to make.

What the data says

The 12–3 PM departure wins.

SAN–COS flights departing between 12–3 PM arrived on time 96% of the time, versus 50% between 3–6 PM.

Mondays have been rough.

SAN–COS flights arrived on time 93% of the time on Saturdays and just 57% on Mondays. That gap is worth planning around.

It basically never cancels.

Out of 134 scheduled flights, only 0.0% were cancelled.

Ticking up lately.

SAN–COS flights arrived on time 67% of the time over the last three months in the data, compared with 62% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon57%(23 flights)
  • Tue—(3 flights)
  • Wed—(1 flights)
  • Thu70%(23 flights)
  • Fri68%(28 flights)
  • Sat93%(27 flights)
  • Sun66%(29 flights)
On-time by departure window
  • 6–9 AM—(5 flights)
  • 9 AM–12 PM82%(34 flights)
  • 12–3 PM96%(22 flights)
  • 3–6 PM50%(68 flights)
  • 6–9 PM—(5 flights)
On-time trend by month
72%
May

Oct 91% → May 72% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
October 202591%21
November 202565%20
December 202547%17
February 202673%11
March 202652%21
April 202678%18
May 202672%18

Keep nerding

Based on 134 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.