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Flight Reliability

UA 5325 · United Airlines

Colorado Springs → Houston (COS–IAH)82% of its flights flew this route. The rest (OKC–DEN, IAH–SAT) are included in these numbers.

90
Nerd Approved
WanderNerd Reliability Score
86%
Arrive within 15 minutes
1 min
Average arrival delay
0.3%
Cancelled
12 min early
Median arrival delay

Based on 333 historical flights. Data through May 2026.

What the data says

The 6–9 AM departure wins.

UA 5325 departing between 6–9 AM arrived on time 87% of the time, versus 73% between 9 AM–12 PM.

Sunday scaries are real for this one.

UA 5325 arrived on time 94% of the time on Tuesdays. On Sundays: 83%.

A bit ahead of the United Airlines network.

UA 5325 arrived on time 86% of the time, versus 79% across the United Airlines network.

It basically never cancels.

Out of 333 scheduled flights, only 0.3% were cancelled.

The breakdown

On-time by weekday
  • Mon87%(46 flights)
  • Tue94%(46 flights)
  • Wed85%(46 flights)
  • Thu83%(47 flights)
  • Fri83%(47 flights)
  • Sat85%(46 flights)
  • Sun83%(52 flights)
On-time by departure window
  • 6–9 AM87%(287 flights)
  • 9 AM–12 PM73%(26 flights)
  • 3–6 PM81%(16 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
83%
May

Jun 76% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202576%29
July 202571%31
August 202587%31
September 2025100%30
October 202594%31
November 202590%30
December 202590%30
February 202679%19
March 202687%30
April 202677%30
May 202683%30
Departures on time
85%
Diverted
0.6%
Flights flown
330
Months covered
12

Same route, other flights

Keep nerding

Based on 333 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.