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Flight Reliability

UA 2477 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 2477 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

73%
Arrive within 15 minutes
12 min
Average arrival delay
1.9%
Cancelled
6 min early
Median arrival delay

Based on 368 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon71%(52 flights)
  • Tue77%(53 flights)
  • Wed84%(43 flights)
  • Thu74%(53 flights)
  • Fri81%(53 flights)
  • Sat68%(53 flights)
  • Sun60%(53 flights)
On-time by departure window
  • 6–9 AM87%(71 flights)
  • 12–3 PM77%(51 flights)
  • 3–6 PM69%(217 flights)
  • 6–9 PM—(6 flights)
  • 9 PM–12 AM60%(15 flights)
On-time trend by month
72%
May

Jun 83% → May 72% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%30
July 202592%26
August 202586%28
September 202583%30
October 202552%31
November 202555%29
December 202568%41
January 202679%34
February 202665%26
March 202660%30
April 202687%30
May 202672%25
Departures on time
76%
Diverted
0.3%
Flights flown
360
Months covered
12

Keep nerding

Based on 368 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.