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Route Reliability

Houston → Colorado Springs

IAH–COS · 809 miles · George Bush Intercontinental Airport to Colorado Springs Airport

86
Pretty Reliable
WanderNerd Reliability Score
82%
Arrive within 15 minutes
2 min
Average arrival delay
1.1%
Cancelled
722
Flights in the data

Data through May 2026.

United Airlines is the only airline in this data on this route, arriving on time 82% of the time across 722 flights. No comparison to make.

What the data says

Morning flights do better here.

IAH–COS flights departing between 9 AM–12 PM arrived on time 88% of the time, versus 77% between 6–9 PM.

Sunday comes out ahead.

A small edge: 85% on time on Sundays against 79% on Wednesdays.

Slipping a little lately.

IAH–COS flights arrived on time 84% of the time over the last three months in the data, compared with 90% in the three months before that.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon79%(103 flights)
  • Tue85%(101 flights)
  • Wed79%(103 flights)
  • Thu84%(104 flights)
  • Fri83%(102 flights)
  • Sat82%(99 flights)
  • Sun85%(102 flights)
On-time by departure window
  • 9 AM–12 PM88%(354 flights)
  • 3–6 PM—(1 flights)
  • 6–9 PM77%(358 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
87%
May

Jun 58% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202558%57
July 202575%60
August 202584%62
September 202588%60
October 202581%62
November 202580%60
December 202585%58
January 202690%57
February 202696%55
March 202680%61
April 202685%60
May 202687%62

Same trip, other airports

Keep nerding

Based on 722 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.