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Flight Reliability

UA 2142 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 2142 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
18 min
Average arrival delay
0.2%
Cancelled
1 min
Median arrival delay

Based on 490 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon69%(78 flights)
  • Tue81%(52 flights)
  • Wed79%(65 flights)
  • Thu73%(82 flights)
  • Fri53%(75 flights)
  • Sat77%(51 flights)
  • Sun67%(84 flights)
On-time by departure window
  • 12–3 PM92%(12 flights)
  • 3–6 PM70%(210 flights)
  • 6–9 PM53%(99 flights)
  • 9 PM–12 AM80%(166 flights)
On-time trend by month
63%
May

Jun 61% → May 63% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202561%33
July 202591%43
August 202561%28
September 202585%26
October 202570%20
November 202572%18
December 202555%40
January 202668%37
February 202684%31
March 202676%50
April 202668%88
May 202663%73
Departures on time
69%
Diverted
0.4%
Flights flown
487
Months covered
12

Keep nerding

Based on 490 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.