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Flight Reliability

UA 1389 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1389 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

75%
Arrive within 15 minutes
10 min
Average arrival delay
0.4%
Cancelled
4 min early
Median arrival delay

Based on 488 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(69 flights)
  • Tue86%(69 flights)
  • Wed80%(69 flights)
  • Thu73%(67 flights)
  • Fri70%(70 flights)
  • Sat73%(70 flights)
  • Sun70%(69 flights)
On-time by departure window
  • 3–6 PM79%(359 flights)
  • 6–9 PM64%(124 flights)
On-time trend by month
63%
May

Jun 77% → May 63% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%30
July 202572%29
August 202561%31
September 202586%29
October 202573%37
November 202583%57
December 202575%32
January 202687%30
February 202682%28
March 202678%58
April 202673%60
May 202663%62
Departures on time
78%
Diverted
0.6%
Flights flown
483
Months covered
12

Keep nerding

Based on 488 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.