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WanderNerd

Flight Reliability

UA 2678 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 2678 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

79%
Arrive within 15 minutes
4 min
Average arrival delay
0.8%
Cancelled
11 min early
Median arrival delay

Based on 354 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(51 flights)
  • Tue80%(45 flights)
  • Wed83%(52 flights)
  • Thu80%(51 flights)
  • Fri84%(50 flights)
  • Sat69%(49 flights)
  • Sun75%(52 flights)
On-time by departure window
  • 9 AM–12 PM76%(46 flights)
  • 12–3 PM82%(234 flights)
  • 6–9 PM74%(70 flights)
On-time trend by month
90%
May

Jun 77% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%30
July 202567%24
August 202589%28
September 202587%30
October 202571%31
November 202573%30
December 202581%31
January 202673%30
February 202689%27
March 202671%31
April 202686%29
May 202690%29
Departures on time
83%
Diverted
0.3%
Flights flown
350
Months covered
12

Based on 354 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.