Skip to content
WanderNerd

Flight Reliability

UA 1933 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1933 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

78%
Arrive within 15 minutes
1 min
Average arrival delay
0.3%
Cancelled
8 min early
Median arrival delay

Based on 386 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(53 flights)
  • Tue82%(54 flights)
  • Wed83%(53 flights)
  • Thu84%(55 flights)
  • Fri69%(55 flights)
  • Sat80%(56 flights)
  • Sun73%(56 flights)
On-time by departure window
  • 6–9 AM80%(78 flights)
  • 9 AM–12 PM81%(191 flights)
  • 12–3 PM79%(82 flights)
  • 6–9 PM58%(31 flights)
On-time trend by month
89%
May

Jun 80% → May 89% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%30
July 202580%30
August 202587%31
September 202583%30
October 202558%31
November 202580%30
December 202571%31
January 202665%31
February 202693%28
March 202672%54
April 202690%29
May 202689%27
Departures on time
83%
Diverted
0.8%
Flights flown
382
Months covered
12

Based on 386 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.