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Flight Reliability

UA 1340 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1340 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

70%
Arrive within 15 minutes
26 min
Average arrival delay
1.8%
Cancelled
4 min early
Median arrival delay

Based on 448 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon66%(64 flights)
  • Tue77%(57 flights)
  • Wed68%(59 flights)
  • Thu65%(63 flights)
  • Fri71%(62 flights)
  • Sat71%(65 flights)
  • Sun71%(68 flights)
On-time by departure window
  • 6–9 AM89%(36 flights)
  • 9 AM–12 PM67%(21 flights)
  • 12–3 PM—(5 flights)
  • 3–6 PM71%(255 flights)
  • 6–9 PM30%(56 flights)
  • 9 PM–12 AM89%(65 flights)
On-time trend by month
71%
May

Jun 73% → May 71% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%30
July 202524%29
August 202587%31
September 202583%29
October 202543%35
November 202574%49
December 202573%59
January 202682%34
February 202677%26
March 202674%38
April 202670%30
May 202671%48
Departures on time
74%
Diverted
0.4%
Flights flown
438
Months covered
12

Keep nerding

Based on 448 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.