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Flight Reliability

UA 1317 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1317 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

78%
Arrive within 15 minutes
9 min
Average arrival delay
0.4%
Cancelled
5 min early
Median arrival delay

Based on 454 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon81%(62 flights)
  • Tue78%(60 flights)
  • Wed76%(67 flights)
  • Thu79%(65 flights)
  • Fri78%(67 flights)
  • Sat83%(64 flights)
  • Sun73%(66 flights)
On-time by departure window
  • 3–6 AM100%(37 flights)
  • 6–9 AM81%(180 flights)
  • 9 AM–12 PM84%(44 flights)
  • 12–3 PM—(8 flights)
  • 3–6 PM71%(143 flights)
  • 9 PM–12 AM59%(39 flights)
On-time trend by month
87%
May

Jun 79% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202579%29
July 202570%30
August 202583%40
September 202585%54
October 202584%31
November 202569%29
December 202587%30
January 202668%31
February 202668%28
March 202676%55
April 202675%55
May 202687%39
Departures on time
83%
Diverted
0.2%
Flights flown
451
Months covered
12

Keep nerding

Based on 454 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.