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Flight Reliability

UA 5270 · United Airlines

Denver → MAF (DEN–MAF)90% of its flights flew this route. The rest (IAH–LIT, ABQ–DEN) are included in these numbers.

88
Pretty Reliable
WanderNerd Reliability Score
84%
Arrive within 15 minutes
1 min
Average arrival delay
0.6%
Cancelled
9 min early
Median arrival delay

Based on 362 historical flights. Data through May 2026.

What the data says

Friday is doing you no favors.

UA 5270 arrived on time 90% of the time on Saturdays. On Fridays: 77%.

Better than the DEN–MAF route average.

UA 5270 arrived on time 84% of the time, versus 75% across the DEN–MAF route.

A bit ahead of the United Airlines network.

UA 5270 arrived on time 84% of the time, versus 79% across the United Airlines network.

Slipping a little lately.

UA 5270 arrived on time 85% of the time over the last three months in the data, compared with 88% in the three months before that.

The breakdown

On-time by weekday
  • Mon86%(51 flights)
  • Tue79%(52 flights)
  • Wed83%(52 flights)
  • Thu84%(51 flights)
  • Fri77%(51 flights)
  • Sat90%(50 flights)
  • Sun89%(52 flights)
On-time by departure window
  • 9 AM–12 PM82%(33 flights)
  • 12–3 PM84%(326 flights)
On-time trend by month
93%
May

Jun 70% → May 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%30
July 202587%31
August 202571%31
September 202593%30
October 202594%31
November 202575%28
December 202580%30
January 202690%31
February 202693%28
March 202681%31
April 202680%30
May 202693%28
Departures on time
86%
Diverted
0.3%
Flights flown
359
Months covered
12

Same route, other flights

Keep nerding

Based on 362 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.