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Flight Reliability

UA 4704 · United Airlines

Denver → GJT (DEN–GJT)96% of its flights flew this route. The rest (LAX–SBA, BOI–DEN) are included in these numbers.

86
Pretty Reliable
WanderNerd Reliability Score
86%
Arrive within 15 minutes
2 min early
Average arrival delay
1.9%
Cancelled
9 min early
Median arrival delay

Based on 362 historical flights. Data through May 2026.

What the data says

The 12–3 PM departure wins.

UA 4704 departing between 12–3 PM arrived on time 100% of the time, versus 84% between 9 AM–12 PM.

Mondays have been rough.

UA 4704 arrived on time 94% of the time on Saturdays and just 79% on Mondays. That gap is worth planning around.

A bit ahead of the DEN–GJT route.

UA 4704 arrived on time 86% of the time, versus 79% across the DEN–GJT route.

A bit ahead of the United Airlines network.

UA 4704 arrived on time 86% of the time, versus 79% across the United Airlines network.

The breakdown

On-time by weekday
  • Mon79%(52 flights)
  • Tue89%(52 flights)
  • Wed80%(51 flights)
  • Thu83%(52 flights)
  • Fri88%(49 flights)
  • Sat94%(48 flights)
  • Sun88%(51 flights)
On-time by departure window
  • 6–9 AM89%(71 flights)
  • 9 AM–12 PM84%(272 flights)
  • 12–3 PM100%(12 flights)
On-time trend by month
71%
May

Jun 67% → May 71% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202567%30
July 202594%31
August 202584%31
September 202597%30
October 202594%31
November 202592%26
December 202593%30
January 202683%30
February 202693%28
March 202680%30
April 202680%30
May 202671%28
Departures on time
85%
Diverted
0%
Flights flown
355
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.