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WanderNerd

Flight Reliability

UA 4363 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 4363 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

85%
Arrive within 15 minutes
1 min early
Average arrival delay
2.2%
Cancelled
11 min early
Median arrival delay

Based on 135 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon82%(17 flights)
  • Tue85%(13 flights)
  • Wed81%(21 flights)
  • Thu84%(19 flights)
  • Fri80%(20 flights)
  • Sat92%(24 flights)
  • Sun89%(18 flights)
On-time by departure window
  • 9 AM–12 PM80%(39 flights)
  • 12–3 PM86%(88 flights)
  • 3–6 PM(5 flights)
On-time trend by month
83%
Jan

Oct 80% → Jan 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
October 202580%10
November 202582%27
December 202584%31
January 202683%23
Departures on time
86%
Diverted
0%
Flights flown
132
Months covered
11

Based on 135 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.