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Flight Reliability

UA 5985 · United Airlines

Denver → Birmingham (DEN–BHM)92% of its flights flew this route. The rest (PWM–ORD, ORD–IND) are included in these numbers.

89
Pretty Reliable
WanderNerd Reliability Score
84%
Arrive within 15 minutes
1 min early
Average arrival delay
0.3%
Cancelled
9 min early
Median arrival delay

Based on 360 historical flights. Data through May 2026.

What the data says

Sunday scaries are real for this one.

UA 5985 arrived on time 92% of the time on Tuesdays. On Sundays: 79%.

Better than the DEN–BHM route average.

UA 5985 arrived on time 84% of the time, versus 75% across the DEN–BHM route.

A bit ahead of the United Airlines network.

UA 5985 arrived on time 84% of the time, versus 79% across the United Airlines network.

It basically never cancels.

Out of 360 scheduled flights, only 0.3% were cancelled.

The breakdown

On-time by weekday
  • Mon79%(52 flights)
  • Tue92%(51 flights)
  • Wed80%(51 flights)
  • Thu84%(50 flights)
  • Fri86%(51 flights)
  • Sat84%(51 flights)
  • Sun79%(52 flights)
On-time by departure window
  • 9 AM–12 PM83%(350 flights)
  • 3–6 PM—(8 flights)
On-time trend by month
96%
May

Jun 76% → May 96% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202576%29
July 202584%31
August 202571%31
September 202586%29
October 202577%31
November 202580%30
December 202577%31
January 202694%31
February 202686%28
March 202683%30
April 202693%29
May 202696%28
Departures on time
81%
Diverted
0.3%
Flights flown
358
Months covered
12

Same route, other flights

Keep nerding

Based on 360 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.