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Flight Reliability

UA 1420 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1420 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
6 min
Average arrival delay
1.2%
Cancelled
4 min early
Median arrival delay

Based on 495 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(68 flights)
  • Tue80%(70 flights)
  • Wed76%(70 flights)
  • Thu75%(71 flights)
  • Fri81%(70 flights)
  • Sat77%(70 flights)
  • Sun78%(67 flights)
On-time by departure window
  • 3–6 PM77%(132 flights)
  • 6–9 PM77%(354 flights)
On-time trend by month
74%
May

Jun 48% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202548%29
July 202579%28
August 202586%42
September 202577%31
October 202561%31
November 202569%29
December 202590%30
January 202690%57
February 202674%38
March 202678%55
April 202683%58
May 202674%58
Departures on time
73%
Diverted
0.6%
Flights flown
486
Months covered
12

Keep nerding

Based on 495 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.