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Flight Reliability

UA 5137 · United Airlines

HYS → Denver (HYS–DEN)96% of its flights flew this route. The rest (DEN–COD) are included in these numbers.

92
Nerd Approved
WanderNerd Reliability Score
90%
Arrive within 15 minutes
7 min
Average arrival delay
1.5%
Cancelled
16 min early
Median arrival delay

Based on 339 historical flights. Data through May 2026.

What the data says

Tuesdays have been rough.

UA 5137 arrived on time 100% of the time on Thursdays and just 84% on Tuesdays. That gap is worth planning around.

Better than the HYS–DEN route average.

UA 5137 arrived on time 90% of the time, versus 82% across the HYS–DEN route.

Better than the United Airlines network average.

UA 5137 arrived on time 90% of the time, versus 79% across the United Airlines network.

Ticking up lately.

UA 5137 arrived on time 90% of the time over the last three months in the data, compared with 84% in the three months before that.

The breakdown

On-time by weekday
  • Mon90%(48 flights)
  • Tue84%(49 flights)
  • Wed94%(47 flights)
  • Thu100%(48 flights)
  • Fri92%(48 flights)
  • Sat84%(45 flights)
  • Sun90%(49 flights)
On-time by departure window
  • 6–9 AM90%(333 flights)
  • 9 AM–12 PM—(1 flights)
On-time trend by month
89%
May

Jun 97% → May 89% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202597%30
July 202597%31
August 202589%28
October 202594%31
November 202593%30
December 202587%31
January 202672%29
February 202693%28
March 202693%30
April 202687%30
May 202689%28
Departures on time
91%
Diverted
0%
Flights flown
334
Months covered
12

Same route, other flights

Keep nerding

Based on 339 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.