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Flight Reliability

UA 729 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 729 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

86%
Arrive within 15 minutes
1 min early
Average arrival delay
0%
Cancelled
12 min early
Median arrival delay

Based on 459 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(66 flights)
  • Tue84%(63 flights)
  • Wed90%(62 flights)
  • Thu93%(67 flights)
  • Fri77%(66 flights)
  • Sat91%(67 flights)
  • Sun85%(68 flights)
On-time by departure window
  • 12–3 AM82%(11 flights)
  • 6–9 AM89%(295 flights)
  • 9 AM–12 PM93%(43 flights)
  • 12–3 PM75%(75 flights)
  • 3–6 PM79%(19 flights)
  • 6–9 PM64%(14 flights)
  • 9 PM–12 AM—(2 flights)
On-time trend by month
88%
May

Jun 80% → May 88% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%30
July 202584%31
August 202591%44
September 202596%54
October 202576%29
November 202587%23
December 202582%45
January 202681%62
February 202684%38
March 202681%31
April 202693%30
May 202688%42
Departures on time
89%
Diverted
0%
Flights flown
459
Months covered
12

Keep nerding

Based on 459 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.