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Flight Reliability

UA 1308 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1308 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
19 min
Average arrival delay
1.9%
Cancelled
4 min early
Median arrival delay

Based on 422 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon69%(62 flights)
  • Tue71%(63 flights)
  • Wed68%(62 flights)
  • Thu54%(63 flights)
  • Fri75%(61 flights)
  • Sat84%(44 flights)
  • Sun76%(59 flights)
On-time by departure window
  • 9 AM–12 PM86%(217 flights)
  • 3–6 PM55%(22 flights)
  • 6–9 PM35%(65 flights)
  • 9 PM–12 AM65%(110 flights)
On-time trend by month
87%
May

Jun 41% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202541%34
July 202538%45
August 202549%45
September 202587%31
October 202567%48
November 202593%30
December 202587%31
January 202683%30
February 202689%28
March 202668%31
April 202690%30
May 202687%31
Departures on time
67%
Diverted
0%
Flights flown
414
Months covered
12

Keep nerding

Based on 422 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.