Skip to content
WanderNerd
Check a flight

Flight Reliability

UA 5561 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 5561 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

84%
Arrive within 15 minutes
10 min
Average arrival delay
1.0%
Cancelled
15 min early
Median arrival delay

Based on 310 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon78%(46 flights)
  • Tue87%(47 flights)
  • Wed88%(43 flights)
  • Thu89%(44 flights)
  • Fri91%(42 flights)
  • Sat84%(43 flights)
  • Sun74%(42 flights)
On-time by departure window
  • 3–6 AM—(1 flights)
  • 6–9 AM89%(88 flights)
  • 9 AM–12 PM85%(196 flights)
  • 3–6 PM—(9 flights)
  • 6–9 PM77%(13 flights)
On-time trend by month
94%
May

Aug 68% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
August 202568%22
September 202590%30
October 202587%31
November 202586%29
December 202584%31
January 202681%31
February 202679%28
March 202687%31
April 202687%30
May 202694%31
Departures on time
83%
Diverted
0%
Flights flown
307
Months covered
12

Keep nerding

Based on 310 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.