Skip to content
WanderNerd

Flight Reliability

UA 4376 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 4376 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

82%
Arrive within 15 minutes
17 min
Average arrival delay
3.1%
Cancelled
10 min early
Median arrival delay

Based on 163 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon95%(21 flights)
  • Tue89%(18 flights)
  • Wed77%(22 flights)
  • Thu70%(23 flights)
  • Fri87%(23 flights)
  • Sat76%(25 flights)
  • Sun83%(24 flights)
On-time by departure window
  • 6–9 AM(3 flights)
  • 9 AM–12 PM76%(63 flights)
  • 12–3 PM88%(25 flights)
  • 3–6 PM(4 flights)
  • 6–9 PM84%(61 flights)
On-time trend by month
79%
May

Nov 91% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
November 202591%21
December 202590%29
March 202668%25
April 202683%30
May 202679%24
Departures on time
79%
Diverted
1.2%
Flights flown
156
Months covered
12

Based on 163 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.