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WanderNerd

Flight Reliability

UA 4751 · United Airlines

Oklahoma City → Denver (OKCDEN)99% of its flights flew this route. The rest (DEN–RAP, MEM–IAH) are included in these numbers.

98
Nerd Approved
WanderNerd Reliability Score
93%
Arrive within 15 minutes
6 min early
Average arrival delay
0.8%
Cancelled
14 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

Sunday scaries are real for this one.

UA 4751 arrived on time 96% of the time on Tuesdays. On Sundays: 89%.

Well ahead of the OKC–DEN route.

UA 4751 arrived on time 93% of the time, versus 78% across the OKC–DEN route.

Better than the United Airlines network average.

UA 4751 arrived on time 93% of the time, versus 79% across the United Airlines network.

Ticking up lately.

UA 4751 arrived on time 96% of the time over the last three months in the data, compared with 91% in the three months before that.

The breakdown

On-time by weekday
  • Mon90%(52 flights)
  • Tue96%(52 flights)
  • Wed96%(52 flights)
  • Thu94%(52 flights)
  • Fri94%(52 flights)
  • Sat94%(50 flights)
  • Sun89%(52 flights)
On-time by departure window
  • 6–9 AM94%(359 flights)
  • 9 AM–12 PM(1 flights)
  • 3–6 PM(2 flights)
On-time trend by month
94%
May

Jun 83% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%30
July 202594%31
August 202584%31
September 2025100%30
October 2025100%31
November 2025100%30
December 202590%31
January 202693%29
February 202689%28
March 202694%31
April 2026100%29
May 202694%31
Departures on time
95%
Diverted
0%
Flights flown
362
Months covered
12

Based on 365 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.