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Flight Reliability

UA 593 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 593 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

90%
Arrive within 15 minutes
4 min early
Average arrival delay
1.2%
Cancelled
12 min early
Median arrival delay

Based on 432 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon89%(62 flights)
  • Tue87%(61 flights)
  • Wed95%(56 flights)
  • Thu93%(61 flights)
  • Fri95%(65 flights)
  • Sat83%(60 flights)
  • Sun84%(62 flights)
On-time by departure window
  • 6–9 AM96%(272 flights)
  • 9 AM–12 PM78%(94 flights)
  • 12–3 PM82%(54 flights)
  • 3–6 PM—(7 flights)
On-time trend by month
96%
May

Jun 88% → May 96% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202588%16
July 202581%31
August 202588%48
September 202597%29
October 202594%51
November 202583%54
December 202584%32
January 202691%44
February 202688%34
March 202694%31
April 202693%30
May 202696%27
Departures on time
91%
Diverted
0%
Flights flown
427
Months covered
12

Keep nerding

Based on 432 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.