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Flight Reliability

UA 1009 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1009 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

72%
Arrive within 15 minutes
12 min
Average arrival delay
0.2%
Cancelled
1 min early
Median arrival delay

Based on 456 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon65%(71 flights)
  • Tue69%(49 flights)
  • Wed79%(75 flights)
  • Thu69%(74 flights)
  • Fri77%(73 flights)
  • Sat85%(34 flights)
  • Sun69%(77 flights)
On-time by departure window
  • 6–9 AM—(9 flights)
  • 9 AM–12 PM77%(158 flights)
  • 12–3 PM68%(250 flights)
  • 3–6 PM84%(25 flights)
  • 6–9 PM73%(11 flights)
On-time trend by month
61%
May

Jun 77% → May 61% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%56
July 202566%56
August 202572%54
September 202584%51
October 202571%28
November 202574%49
December 202567%33
January 202695%19
February 202689%18
March 202683%29
April 202638%29
May 202661%31
Departures on time
81%
Diverted
0.4%
Flights flown
453
Months covered
12

Keep nerding

Based on 456 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.