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WanderNerd

Flight Reliability

UA 709 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 709 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

77%
Arrive within 15 minutes
7 min
Average arrival delay
1.4%
Cancelled
4 min early
Median arrival delay

Based on 512 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(74 flights)
  • Tue75%(71 flights)
  • Wed81%(70 flights)
  • Thu85%(73 flights)
  • Fri78%(72 flights)
  • Sat79%(72 flights)
  • Sun64%(73 flights)
On-time by departure window
  • 6–9 AM98%(56 flights)
  • 9 AM–12 PM100%(15 flights)
  • 12–3 PM87%(75 flights)
  • 3–6 PM71%(338 flights)
  • 6–9 PM70%(20 flights)
  • 9 PM–12 AM(1 flights)
On-time trend by month
80%
May

Jun 40% → May 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202540%30
July 202539%31
August 202560%30
September 202563%30
October 202597%31
November 202583%29
December 202581%31
January 202690%29
February 202682%27
March 202682%83
April 202693%90
May 202680%64
Departures on time
80%
Diverted
0%
Flights flown
505
Months covered
12

Based on 512 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.