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Flight Reliability

UA 4749 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 4749 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

81%
Arrive within 15 minutes
6 min
Average arrival delay
2.9%
Cancelled
7 min early
Median arrival delay

Based on 342 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(49 flights)
  • Tue83%(48 flights)
  • Wed89%(44 flights)
  • Thu94%(47 flights)
  • Fri69%(48 flights)
  • Sat81%(47 flights)
  • Sun82%(49 flights)
On-time by departure window
  • 6–9 AM87%(55 flights)
  • 9 AM–12 PM89%(148 flights)
  • 12–3 PM76%(25 flights)
  • 3–6 PM65%(31 flights)
  • 6–9 PM70%(73 flights)
On-time trend by month
77%
May

Jun 97% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202597%30
July 202590%30
August 202581%31
September 202590%30
October 202587%31
November 202583%24
December 202567%21
January 202681%31
February 202681%26
March 202668%19
April 202666%29
May 202677%30
Departures on time
85%
Diverted
0%
Flights flown
332
Months covered
12

Keep nerding

Based on 342 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.