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Flight Reliability

UA 1097 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1097 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
6 min
Average arrival delay
0.6%
Cancelled
4 min early
Median arrival delay

Based on 687 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon78%(105 flights)
  • Tue82%(85 flights)
  • Wed82%(82 flights)
  • Thu75%(99 flights)
  • Fri78%(102 flights)
  • Sat81%(104 flights)
  • Sun73%(104 flights)
On-time by departure window
  • 6–9 AM86%(168 flights)
  • 9 AM–12 PM72%(251 flights)
  • 12–3 PM79%(135 flights)
  • 3–6 PM76%(92 flights)
  • 6–9 PM83%(35 flights)
On-time trend by month
68%
May

Jun 79% → May 68% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202579%28
July 202562%29
August 202577%30
September 202578%50
October 202581%53
November 202569%54
December 202567%46
January 202687%87
February 202687%79
March 202688%85
April 202673%80
May 202668%60
Departures on time
82%
Diverted
0.3%
Flights flown
681
Months covered
12

Keep nerding

Based on 687 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.