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WanderNerd

Flight Reliability

UA 2003 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 2003 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
5 min early
Average arrival delay
2.3%
Cancelled
12 min early
Median arrival delay

Based on 262 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon92%(36 flights)
  • Tue87%(38 flights)
  • Wed86%(35 flights)
  • Thu95%(39 flights)
  • Fri95%(38 flights)
  • Sat86%(36 flights)
  • Sun88%(34 flights)
On-time by departure window
  • 6–9 AM96%(124 flights)
  • 9 AM–12 PM88%(67 flights)
  • 12–3 PM85%(54 flights)
  • 3–6 PM(7 flights)
  • 6–9 PM(4 flights)
On-time trend by month
86%
Apr

Aug 92% → Apr 86% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
August 202592%13
September 2025100%30
October 202597%31
November 202592%24
December 202588%41
January 202691%32
February 202688%25
March 202677%31
April 202686%29
Departures on time
90%
Diverted
0%
Flights flown
256
Months covered
9

Based on 262 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.