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Flight Reliability

UA 740 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 740 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

87%
Arrive within 15 minutes
2 min
Average arrival delay
0.3%
Cancelled
9 min early
Median arrival delay

Based on 721 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(105 flights)
  • Tue91%(99 flights)
  • Wed88%(100 flights)
  • Thu85%(104 flights)
  • Fri84%(104 flights)
  • Sat87%(104 flights)
  • Sun93%(103 flights)
On-time by departure window
  • 6–9 AM88%(300 flights)
  • 9 AM–12 PM87%(364 flights)
  • 12–3 PM84%(37 flights)
  • 3–6 PM83%(18 flights)
On-time trend by month
81%
May

Jun 82% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202582%54
July 202587%62
August 202588%80
September 202583%54
October 202586%62
November 202597%59
December 202583%60
January 202689%53
February 202696%52
March 202689%61
April 202688%60
May 202681%62
Departures on time
87%
Diverted
0%
Flights flown
719
Months covered
12

Keep nerding

Based on 721 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.