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Flight Reliability

UA 1299 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1299 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

74%
Arrive within 15 minutes
9 min
Average arrival delay
1.1%
Cancelled
3 min early
Median arrival delay

Based on 439 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon67%(64 flights)
  • Tue83%(60 flights)
  • Wed83%(60 flights)
  • Thu74%(65 flights)
  • Fri73%(62 flights)
  • Sat80%(56 flights)
  • Sun62%(65 flights)
On-time by departure window
  • 3–6 AM—(1 flights)
  • 6–9 AM85%(52 flights)
  • 9 AM–12 PM85%(75 flights)
  • 12–3 PM78%(89 flights)
  • 3–6 PM61%(104 flights)
  • 6–9 PM66%(82 flights)
  • 9 PM–12 AM90%(29 flights)
On-time trend by month
90%
May

Jun 79% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202579%34
July 202560%57
August 202568%31
September 202576%29
October 202584%31
November 202545%31
December 202582%45
January 202661%31
February 202670%27
March 202687%30
April 202687%45
May 202690%41
Departures on time
79%
Diverted
0.5%
Flights flown
432
Months covered
12

Keep nerding

Based on 439 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.