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Flight Reliability

UA 5378 · United Airlines

Denver → FSD (DEN–FSD)

91
Nerd Approved
WanderNerd Reliability Score
87%
Arrive within 15 minutes
1 min
Average arrival delay
0.8%
Cancelled
9 min early
Median arrival delay

Based on 362 historical flights. Data through May 2026.

What the data says

Thursday is the weak spot.

UA 5378 arrived on time 90% of the time on Sundays. On Thursdays: 80%.

A bit ahead of the DEN–FSD route.

UA 5378 arrived on time 87% of the time, versus 81% across the DEN–FSD route.

Better than the United Airlines network average.

UA 5378 arrived on time 87% of the time, versus 79% across the United Airlines network.

Ticking up lately.

UA 5378 arrived on time 88% of the time over the last three months in the data, compared with 83% in the three months before that.

The breakdown

On-time by weekday
  • Mon88%(51 flights)
  • Tue90%(51 flights)
  • Wed90%(50 flights)
  • Thu80%(51 flights)
  • Fri87%(52 flights)
  • Sat81%(52 flights)
  • Sun90%(52 flights)
On-time trend by month
97%
May

Jun 83% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%29
July 202581%31
August 202590%31
September 202583%30
October 202597%31
November 202593%27
December 202567%30
January 202694%31
February 202689%28
March 202677%30
April 202690%30
May 202697%31
Departures on time
87%
Diverted
0%
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.