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Flight Reliability

UA 5306 · United Airlines

Denver → Colorado Springs (DEN–COS)91% of its flights flew this route. The rest (MAF–DEN, CMH–IAH) are included in these numbers.

76
Usually Fine
WanderNerd Reliability Score
80%
Arrive within 15 minutes
8 min
Average arrival delay
2.7%
Cancelled
8 min early
Median arrival delay

Based on 333 historical flights. Data through May 2026.

What the data says

Morning-you made the right choice.

UA 5306 departing between 9 AM–12 PM arrived on time 83% of the time, versus 46% between 3–6 PM.

Mondays have been rough.

UA 5306 arrived on time 89% of the time on Saturdays and just 74% on Mondays. That gap is worth planning around.

A bit ahead of the DEN–COS route.

UA 5306 arrived on time 80% of the time, versus 76% across the DEN–COS route.

Slipping a little lately.

UA 5306 arrived on time 82% of the time over the last three months in the data, compared with 85% in the three months before that.

The breakdown

On-time by weekday
  • Mon74%(46 flights)
  • Tue84%(45 flights)
  • Wed78%(45 flights)
  • Thu76%(46 flights)
  • Fri78%(49 flights)
  • Sat89%(46 flights)
  • Sun80%(46 flights)
On-time by departure window
  • 9 AM–12 PM83%(295 flights)
  • 3–6 PM46%(28 flights)
On-time trend by month
87%
May

Jun 43% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202543%28
July 202581%31
August 202571%31
September 202597%30
October 202584%31
November 2025100%22
December 202577%31
February 202678%18
March 202677%31
April 202680%30
May 202687%31
Departures on time
78%
Diverted
0.3%
Flights flown
323
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.