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Flight Reliability

UA 1390 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1390 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

70%
Arrive within 15 minutes
20 min
Average arrival delay
0.2%
Cancelled
2 min early
Median arrival delay

Based on 406 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon72%(58 flights)
  • Tue68%(59 flights)
  • Wed75%(59 flights)
  • Thu70%(57 flights)
  • Fri64%(56 flights)
  • Sat67%(57 flights)
  • Sun71%(58 flights)
On-time by departure window
  • 6–9 AM93%(84 flights)
  • 9 AM–12 PM89%(37 flights)
  • 12–3 PM88%(16 flights)
  • 3–6 PM44%(77 flights)
  • 6–9 PM64%(190 flights)
On-time trend by month
55%
May

Jun 41% → May 55% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202541%54
July 202533%30
August 202571%31
September 202590%30
October 202597%31
November 202587%30
December 202577%47
January 202681%31
February 202668%28
March 202674%31
April 202680%30
May 202655%31
Departures on time
70%
Diverted
0.2%
Flights flown
404
Months covered
12

Keep nerding

Based on 406 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.