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WanderNerd

Flight Reliability

UA 5748 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 5748 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

75%
Arrive within 15 minutes
15 min
Average arrival delay
1.4%
Cancelled
1 min
Median arrival delay

Based on 72 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon64%(11 flights)
  • Tue73%(11 flights)
  • Wed75%(12 flights)
  • Thu70%(10 flights)
  • Fri80%(10 flights)
  • Sat(6 flights)
  • Sun73%(11 flights)
On-time by departure window
  • 6–9 AM(2 flights)
  • 12–3 PM70%(46 flights)
  • 3–6 PM82%(17 flights)
  • 6–9 PM(6 flights)
On-time trend by month
83%
May

Nov 76% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
November 202576%29
March 202656%16
May 202683%12
Departures on time
80%
Diverted
0%
Flights flown
71
Months covered
8

Based on 72 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.