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Flight Reliability

UA 4710 · United Airlines

BIS → Denver (BIS–DEN)91% of its flights flew this route. The rest (COU–DEN, CID–ORD) are included in these numbers.

71
Usually Fine
WanderNerd Reliability Score
73%
Arrive within 15 minutes
22 min
Average arrival delay
0.5%
Cancelled
1 min
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

Skip Wednesday if you can.

UA 4710 arrived on time 78% of the time on Fridays. On Wednesdays: 69%.

A bit behind the BIS–DEN route.

UA 4710 arrived on time 73% of the time, versus 78% across the BIS–DEN route.

A bit behind the United Airlines network.

UA 4710 arrived on time 73% of the time, versus 79% across the United Airlines network.

Ticking up lately.

UA 4710 arrived on time 76% of the time over the last three months in the data, compared with 71% in the three months before that.

The breakdown

On-time by weekday
  • Mon73%(52 flights)
  • Tue71%(51 flights)
  • Wed69%(52 flights)
  • Thu71%(51 flights)
  • Fri78%(51 flights)
  • Sat77%(51 flights)
  • Sun74%(53 flights)
On-time by departure window
  • 6–9 AM71%(63 flights)
  • 9 AM–12 PM74%(298 flights)
On-time trend by month
87%
May

Jun 50% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202550%30
July 202563%30
August 202565%31
September 202587%30
October 202587%31
November 202586%29
December 202565%31
January 202668%31
February 202682%27
March 202677%30
April 202663%30
May 202687%31
Departures on time
79%
Diverted
0.5%
Flights flown
361
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.