Skip to content
WanderNerd

Flight Reliability

UA 5389 · United Airlines

Denver → Des Moines (DENDSM)

87
Pretty Reliable
WanderNerd Reliability Score
89%
Arrive within 15 minutes
0 min
Average arrival delay
1.9%
Cancelled
15 min early
Median arrival delay

Based on 213 historical flights. Data through May 2026.

What the data says

Friday is doing you no favors.

UA 5389 arrived on time 93% of the time on Wednesdays. On Fridays: 79%.

Better than the DEN–DSM route average.

UA 5389 arrived on time 89% of the time, versus 80% across the DEN–DSM route.

Better than the United Airlines network average.

UA 5389 arrived on time 89% of the time, versus 79% across the United Airlines network.

Slipping a little lately.

UA 5389 arrived on time 85% of the time over the last three months in the data, compared with 89% in the three months before that.

The breakdown

On-time by weekday
  • Mon90%(31 flights)
  • Tue87%(30 flights)
  • Wed93%(30 flights)
  • Thu93%(29 flights)
  • Fri79%(29 flights)
  • Sat86%(28 flights)
  • Sun90%(31 flights)
On-time by departure window
  • 6–9 PM88%(189 flights)
  • 9 PM–12 AM90%(19 flights)
On-time trend by month
81%
May

Nov 96% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
November 202596%27
December 202587%31
January 202684%31
February 202696%25
March 202685%27
April 202690%30
May 202681%31
Departures on time
87%
Diverted
0.5%
Flights flown
208
Months covered
8

Based on 213 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.