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Flight Reliability

UA 1620 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1620 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

84%
Arrive within 15 minutes
2 min
Average arrival delay
0.2%
Cancelled
9 min early
Median arrival delay

Based on 493 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon85%(75 flights)
  • Tue87%(74 flights)
  • Wed85%(75 flights)
  • Thu88%(74 flights)
  • Fri85%(72 flights)
  • Sat77%(57 flights)
  • Sun76%(63 flights)
On-time by departure window
  • 6–9 AM89%(185 flights)
  • 9 AM–12 PM74%(117 flights)
  • 12–3 PM86%(111 flights)
  • 6–9 PM93%(58 flights)
  • 9 PM–12 AM53%(19 flights)
On-time trend by month
77%
May

Jun 92% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202592%51
July 202591%54
August 202593%56
September 202592%75
October 202594%31
November 202583%30
December 202549%43
January 202684%31
February 202685%27
March 202671%31
April 202677%30
May 202677%31
Departures on time
85%
Diverted
0.4%
Flights flown
490
Months covered
12

Keep nerding

Based on 493 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.