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Flight Reliability

UA 5429 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 5429 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

77%
Arrive within 15 minutes
13 min
Average arrival delay
1.3%
Cancelled
5 min early
Median arrival delay

Based on 304 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon70%(43 flights)
  • Tue98%(48 flights)
  • Wed80%(46 flights)
  • Thu71%(45 flights)
  • Fri72%(47 flights)
  • Sat71%(34 flights)
  • Sun72%(36 flights)
On-time by departure window
  • 6–9 AM89%(18 flights)
  • 9 AM–12 PM93%(29 flights)
  • 12–3 PM70%(87 flights)
  • 3–6 PM73%(123 flights)
  • 6–9 PM86%(42 flights)
On-time trend by month
60%
May

Jun 79% → May 60% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202579%29
July 202568%31
August 202578%18
September 202592%13
October 202581%26
November 202574%19
December 202578%18
January 202687%31
February 202696%25
March 202672%29
April 202670%30
May 202660%30
Departures on time
79%
Diverted
0.3%
Flights flown
299
Months covered
12

Keep nerding

Based on 304 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.