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Flight Reliability

UA 4494 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 4494 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
18 min
Average arrival delay
2.6%
Cancelled
4 min early
Median arrival delay

Based on 274 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon71%(35 flights)
  • Tue66%(38 flights)
  • Wed74%(35 flights)
  • Thu75%(36 flights)
  • Fri69%(36 flights)
  • Sat74%(46 flights)
  • Sun68%(41 flights)
On-time by departure window
  • 6–9 AM69%(13 flights)
  • 9 AM–12 PM77%(88 flights)
  • 12–3 PM69%(70 flights)
  • 3–6 PM65%(60 flights)
  • 6–9 PM72%(36 flights)
On-time trend by month
83%
May

Aug 81% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
August 202581%16
September 202583%30
October 202563%38
December 202567%27
January 202654%28
February 202671%28
March 202679%29
April 202666%29
May 202683%29
Departures on time
75%
Diverted
0%
Flights flown
267
Months covered
12

Based on 274 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.