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Flight Reliability

UA 3701 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 3701 moved between routes during this period. Numbers below combine all of them, so treat them as background, not a verdict. For a cleaner answer, check the route you are actually flying.

Combined across all its routes

79%
Arrive within 15 minutes
9 min
Average arrival delay
6.6%
Cancelled
5 min early
Median arrival delay

Based on 380 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon78%(59 flights)
  • Tue77%(48 flights)
  • Wed82%(54 flights)
  • Thu89%(56 flights)
  • Fri78%(58 flights)
  • Sat77%(26 flights)
  • Sun74%(54 flights)
On-time by departure window
  • 6–9 AM100%(11 flights)
  • 9 AM–12 PM87%(83 flights)
  • 12–3 PM77%(218 flights)
  • 3–6 PM—(9 flights)
  • 6–9 PM71%(17 flights)
  • 9 PM–12 AM77%(17 flights)
On-time trend by month
93%
May

Jun 86% → May 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%29
July 202556%25
August 202573%30
September 202588%25
October 202565%26
November 202574%23
December 202565%26
January 202687%23
February 202689%18
March 202687%52
April 202676%33
May 202693%45
Departures on time
84%
Diverted
0%
Flights flown
355
Months covered
12

Keep nerding

Based on 380 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.