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Flight Reliability

UA 1505 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1505 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

80%
Arrive within 15 minutes
11 min
Average arrival delay
1.4%
Cancelled
7 min early
Median arrival delay

Based on 624 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon82%(87 flights)
  • Tue81%(88 flights)
  • Wed80%(89 flights)
  • Thu79%(89 flights)
  • Fri83%(89 flights)
  • Sat81%(90 flights)
  • Sun77%(83 flights)
On-time by departure window
  • 6–9 AM91%(289 flights)
  • 9 AM–12 PM96%(23 flights)
  • 12–3 PM70%(302 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
95%
May

Jun 62% → May 95% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202562%34
July 202568%56
August 202574%31
September 202592%36
October 202579%62
November 202578%59
December 202581%62
January 202688%60
February 202682%54
March 202675%61
April 202688%59
May 202695%41
Departures on time
79%
Diverted
0%
Flights flown
615
Months covered
12

Keep nerding

Based on 624 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.