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Flight Reliability

UA 2034 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 2034 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

77%
Arrive within 15 minutes
6 min
Average arrival delay
0.7%
Cancelled
5 min early
Median arrival delay

Based on 425 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon61%(61 flights)
  • Tue76%(53 flights)
  • Wed78%(60 flights)
  • Thu79%(61 flights)
  • Fri84%(63 flights)
  • Sat74%(61 flights)
  • Sun84%(62 flights)
On-time by departure window
  • 3–6 AM—(1 flights)
  • 6–9 AM88%(121 flights)
  • 9 AM–12 PM75%(107 flights)
  • 12–3 PM81%(43 flights)
  • 3–6 PM50%(36 flights)
  • 6–9 PM67%(84 flights)
  • 9 PM–12 AM90%(29 flights)
On-time trend by month
79%
May

Jun 57% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202557%30
July 202548%31
August 202582%49
September 202577%31
October 202594%31
November 202590%30
December 202574%31
January 202689%28
February 202678%23
March 202682%51
April 202668%57
May 202679%29
Departures on time
80%
Diverted
0.2%
Flights flown
421
Months covered
12

Keep nerding

Based on 425 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.