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Flight Reliability

UA 2117 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 2117 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

83%
Arrive within 15 minutes
0 min
Average arrival delay
0.3%
Cancelled
10 min early
Median arrival delay

Based on 597 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon81%(90 flights)
  • Tue86%(84 flights)
  • Wed82%(77 flights)
  • Thu76%(91 flights)
  • Fri88%(86 flights)
  • Sat82%(76 flights)
  • Sun87%(91 flights)
On-time by departure window
  • 3–6 PM81%(357 flights)
  • 6–9 PM86%(102 flights)
  • 9 PM–12 AM86%(136 flights)
On-time trend by month
70%
May

Jun 86% → May 70% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%58
July 202587%54
August 202587%37
September 202588%49
October 202584%56
November 202587%23
December 202569%45
January 202685%58
February 202678%54
March 202686%62
April 202688%59
May 202670%40
Departures on time
81%
Diverted
0%
Flights flown
595
Months covered
12

Keep nerding

Based on 597 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.