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Flight Reliability

UA 3494 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 3494 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

88%
Arrive within 15 minutes
4 min early
Average arrival delay
3.0%
Cancelled
13 min early
Median arrival delay

Based on 431 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon90%(62 flights)
  • Tue93%(54 flights)
  • Wed88%(56 flights)
  • Thu88%(59 flights)
  • Fri86%(64 flights)
  • Sat83%(59 flights)
  • Sun86%(64 flights)
On-time by departure window
  • 3–6 AM92%(83 flights)
  • 6–9 AM95%(103 flights)
  • 9 AM–12 PM88%(65 flights)
  • 12–3 PM88%(16 flights)
  • 3–6 PM80%(94 flights)
  • 6–9 PM82%(22 flights)
  • 9 PM–12 AM80%(35 flights)
On-time trend by month
98%
May

Jun 77% → May 98% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%26
July 202559%27
August 202597%31
September 202587%30
October 202581%31
November 202596%24
December 202588%40
January 202682%33
February 202685%26
March 202689%46
April 202696%53
May 202698%51
Departures on time
90%
Diverted
0%
Flights flown
418
Months covered
12

Keep nerding

Based on 431 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.