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WanderNerd

Flight Reliability

UA 1709 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1709 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

84%
Arrive within 15 minutes
3 min
Average arrival delay
1.7%
Cancelled
8 min early
Median arrival delay

Based on 484 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon85%(75 flights)
  • Tue83%(52 flights)
  • Wed83%(60 flights)
  • Thu84%(74 flights)
  • Fri83%(76 flights)
  • Sat89%(66 flights)
  • Sun81%(73 flights)
On-time by departure window
  • 6–9 AM89%(314 flights)
  • 9 AM–12 PM(2 flights)
  • 12–3 PM76%(141 flights)
  • 3–6 PM58%(19 flights)
On-time trend by month
91%
May

Jun 93% → May 91% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%30
July 202590%30
August 202589%46
September 202570%56
October 202572%36
November 202583%57
December 202585%54
January 202688%32
February 202691%22
March 202675%28
April 202690%30
May 202691%55
Departures on time
86%
Diverted
0%
Flights flown
476
Months covered
12

Based on 484 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.