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Flight Reliability

UA 3507 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 3507 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

71%
Arrive within 15 minutes
21 min
Average arrival delay
3.6%
Cancelled
4 min early
Median arrival delay

Based on 388 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(53 flights)
  • Tue82%(54 flights)
  • Wed82%(55 flights)
  • Thu69%(54 flights)
  • Fri55%(53 flights)
  • Sat66%(53 flights)
  • Sun71%(51 flights)
On-time by departure window
  • 9 AM–12 PM79%(219 flights)
  • 3–6 PM59%(117 flights)
  • 6–9 PM69%(35 flights)
  • 9 PM–12 AM—(2 flights)
On-time trend by month
87%
May

Jun 75% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202575%28
July 202535%23
August 202558%26
September 202580%30
October 202565%31
November 202570%27
December 202563%30
January 202670%30
February 202682%27
March 202684%31
April 202673%59
May 202687%31
Departures on time
77%
Diverted
0.3%
Flights flown
373
Months covered
12

Keep nerding

Based on 388 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.