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Flight Reliability

UA 5333 · United Airlines

Denver → MAF (DEN–MAF)100% of its flights flew this route. The rest (MEM–ORD) are included in these numbers.

86
Pretty Reliable
WanderNerd Reliability Score
84%
Arrive within 15 minutes
2 min
Average arrival delay
1.1%
Cancelled
7 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

Thursdays have been rough.

UA 5333 arrived on time 90% of the time on Tuesdays and just 69% on Thursdays. That gap is worth planning around.

Better than the DEN–MAF route average.

UA 5333 arrived on time 84% of the time, versus 75% across the DEN–MAF route.

A bit ahead of the United Airlines network.

UA 5333 arrived on time 84% of the time, versus 79% across the United Airlines network.

The breakdown

On-time by weekday
  • Mon88%(49 flights)
  • Tue90%(51 flights)
  • Wed87%(52 flights)
  • Thu69%(52 flights)
  • Fri83%(52 flights)
  • Sat86%(51 flights)
  • Sun85%(53 flights)
On-time by departure window
  • 6–9 AM—(1 flights)
  • 9 AM–12 PM84%(359 flights)
On-time trend by month
87%
May

Jun 70% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%30
July 202577%31
August 202590%31
September 202583%30
October 202594%31
November 202589%28
December 202577%30
January 202683%30
February 202689%28
March 202680%30
April 202687%30
May 202687%31
Departures on time
84%
Diverted
0.3%
Flights flown
360
Months covered
12

Same route, other flights

Keep nerding

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.