Skip to content
WanderNerd
Check a flight

Flight Reliability

UA 5918 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 5918 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

89%
Arrive within 15 minutes
4 min early
Average arrival delay
0.6%
Cancelled
6 min early
Median arrival delay

Based on 156 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon92%(26 flights)
  • Tue82%(27 flights)
  • Wed89%(27 flights)
  • Thu96%(26 flights)
  • Fri82%(28 flights)
  • Sat—(7 flights)
  • Sun93%(14 flights)
On-time by departure window
  • 6–9 AM90%(93 flights)
  • 3–6 PM90%(31 flights)
  • 6–9 PM84%(31 flights)
On-time trend by month
91%
May

Jun 91% → May 91% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202591%21
July 202591%23
August 202580%25
September 2025100%24
January 202681%21
February 202692%24
May 202691%11
Departures on time
90%
Diverted
0%
Flights flown
155
Months covered
9

Keep nerding

Based on 156 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.