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Flight Reliability

UA 1561 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1561 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

81%
Arrive within 15 minutes
3 min
Average arrival delay
0.3%
Cancelled
6 min early
Median arrival delay

Based on 715 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon76%(103 flights)
  • Tue81%(101 flights)
  • Wed83%(98 flights)
  • Thu81%(100 flights)
  • Fri77%(101 flights)
  • Sat87%(103 flights)
  • Sun81%(106 flights)
On-time by departure window
  • 6–9 AM95%(74 flights)
  • 9 AM–12 PM77%(297 flights)
  • 3–6 PM81%(341 flights)
On-time trend by month
64%
May

Jun 82% → May 64% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202582%60
July 202577%62
August 202582%49
September 202579%28
October 202588%43
November 202579%89
December 202578%74
January 202686%66
February 202680%39
March 202689%81
April 202687%60
May 202664%61
Departures on time
83%
Diverted
0.1%
Flights flown
712
Months covered
12

Keep nerding

Based on 715 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.