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Flight Reliability

UA 2124 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 2124 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

82%
Arrive within 15 minutes
4 min
Average arrival delay
0.6%
Cancelled
7 min early
Median arrival delay

Based on 652 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon85%(92 flights)
  • Tue91%(90 flights)
  • Wed79%(90 flights)
  • Thu86%(94 flights)
  • Fri86%(95 flights)
  • Sat70%(90 flights)
  • Sun79%(97 flights)
On-time by departure window
  • 6–9 AM79%(166 flights)
  • 9 AM–12 PM87%(348 flights)
  • 3–6 PM71%(119 flights)
  • 6–9 PM93%(15 flights)
On-time trend by month
71%
May

Jun 96% → May 71% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202596%55
July 202590%31
August 202579%43
September 202575%60
October 202592%64
November 202580%71
December 202580%46
January 202687%61
February 202687%38
March 202672%57
April 202683%60
May 202671%62
Departures on time
86%
Diverted
0%
Flights flown
648
Months covered
12

Keep nerding

Based on 652 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.