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Flight Reliability

UA 2127 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 2127 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

73%
Arrive within 15 minutes
11 min
Average arrival delay
2.9%
Cancelled
6 min early
Median arrival delay

Based on 593 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(84 flights)
  • Tue82%(73 flights)
  • Wed82%(77 flights)
  • Thu63%(86 flights)
  • Fri74%(81 flights)
  • Sat67%(85 flights)
  • Sun72%(86 flights)
On-time by departure window
  • 6–9 AM93%(111 flights)
  • 9 AM–12 PM72%(353 flights)
  • 6–9 PM79%(24 flights)
  • 9 PM–12 AM52%(84 flights)
On-time trend by month
92%
May

Jun 79% → May 92% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202579%63
July 202566%84
August 202570%74
September 202578%49
October 202570%30
November 202563%30
December 202568%31
January 202667%46
February 202675%32
March 202641%32
April 202696%50
May 202692%51
Departures on time
73%
Diverted
0.7%
Flights flown
572
Months covered
12

Keep nerding

Based on 593 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.