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Flight Reliability

UA 5617 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 5617 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
3 min
Average arrival delay
0.3%
Cancelled
7 min early
Median arrival delay

Based on 343 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon90%(49 flights)
  • Tue83%(48 flights)
  • Wed84%(49 flights)
  • Thu94%(49 flights)
  • Fri76%(49 flights)
  • Sat81%(47 flights)
  • Sun74%(50 flights)
On-time by departure window
  • 6–9 AM83%(134 flights)
  • 9 AM–12 PM85%(130 flights)
  • 12–3 PM55%(11 flights)
  • 6–9 PM85%(66 flights)
On-time trend by month
81%
May

Jun 87% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%30
July 202590%31
August 202574%31
September 202586%29
October 202597%30
November 202577%30
December 202577%31
January 202670%30
February 202682%11
March 202678%27
April 202697%30
May 202681%31
Departures on time
88%
Diverted
0.3%
Flights flown
341
Months covered
12

Keep nerding

Based on 343 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.