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Flight Reliability

UA 2853 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 2853 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

84%
Arrive within 15 minutes
9 min
Average arrival delay
0.9%
Cancelled
4 min early
Median arrival delay

Based on 453 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon91%(64 flights)
  • Tue89%(63 flights)
  • Wed67%(64 flights)
  • Thu86%(64 flights)
  • Fri88%(64 flights)
  • Sat83%(65 flights)
  • Sun86%(65 flights)
On-time by departure window
  • 6–9 AM87%(231 flights)
  • 9 AM–12 PM83%(145 flights)
  • 12–3 PM78%(73 flights)
On-time trend by month
90%
May

Jun 70% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%30
July 202565%31
August 202581%43
September 202596%54
October 202581%31
November 202587%30
December 202578%45
January 202685%34
February 202693%27
March 202677%31
April 202697%31
May 202690%62
Departures on time
86%
Diverted
0%
Flights flown
449
Months covered
12

Keep nerding

Based on 453 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.