Skip to content
WanderNerd

Flight Reliability

UA 1834 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1834 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

79%
Arrive within 15 minutes
11 min
Average arrival delay
1.0%
Cancelled
5 min early
Median arrival delay

Based on 767 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(110 flights)
  • Tue85%(108 flights)
  • Wed77%(107 flights)
  • Thu80%(109 flights)
  • Fri79%(110 flights)
  • Sat79%(107 flights)
  • Sun75%(106 flights)
On-time by departure window
  • 6–9 AM86%(208 flights)
  • 9 AM–12 PM83%(362 flights)
  • 3–6 PM67%(155 flights)
  • 6–9 PM53%(32 flights)
On-time trend by month
82%
May

Jun 80% → May 82% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%88
July 202582%92
August 202580%66
September 202590%59
October 202571%68
November 202578%78
December 202575%47
January 202678%36
February 202686%28
March 202675%77
April 202677%31
May 202682%87
Departures on time
82%
Diverted
0.3%
Flights flown
757
Months covered
12

Based on 767 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.