Skip to content
WanderNerd
Check a flight

Flight Reliability

UA 4283 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 4283 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

83%
Arrive within 15 minutes
9 min
Average arrival delay
1.3%
Cancelled
10 min early
Median arrival delay

Based on 309 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon82%(44 flights)
  • Tue87%(37 flights)
  • Wed91%(45 flights)
  • Thu88%(40 flights)
  • Fri79%(43 flights)
  • Sat80%(44 flights)
  • Sun79%(52 flights)
On-time by departure window
  • 3–6 AM100%(18 flights)
  • 9 AM–12 PM81%(253 flights)
  • 12–3 PM—(1 flights)
  • 3–6 PM—(5 flights)
  • 6–9 PM100%(28 flights)
On-time trend by month
93%
May

Jun 70% → May 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%30
July 202577%30
August 202574%31
September 202580%30
October 202590%31
November 202583%29
December 202587%31
January 202664%11
February 202694%17
March 202682%11
April 2026100%26
May 202693%28
Departures on time
82%
Diverted
0%
Flights flown
305
Months covered
12

Keep nerding

Based on 309 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.