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Flight Reliability

UA 1971 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1971 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

83%
Arrive within 15 minutes
1 min
Average arrival delay
0.4%
Cancelled
11 min early
Median arrival delay

Based on 467 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon81%(67 flights)
  • Tue87%(67 flights)
  • Wed91%(68 flights)
  • Thu75%(63 flights)
  • Fri75%(64 flights)
  • Sat85%(65 flights)
  • Sun90%(69 flights)
On-time by departure window
  • 6–9 AM92%(24 flights)
  • 9 AM–12 PM84%(45 flights)
  • 12–3 PM83%(337 flights)
  • 3–6 PM83%(57 flights)
On-time trend by month
86%
May

Jun 79% → May 86% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202579%79
July 202565%31
August 202574%31
September 202590%29
October 202590%31
November 202590%30
December 2025100%31
January 202684%31
February 202693%28
March 202679%34
April 202681%57
May 202686%51
Departures on time
84%
Diverted
0.4%
Flights flown
463
Months covered
12

Keep nerding

Based on 467 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.