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Flight Reliability

UA 2154 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 2154 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

78%
Arrive within 15 minutes
8 min
Average arrival delay
0.6%
Cancelled
5 min early
Median arrival delay

Based on 645 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(89 flights)
  • Tue85%(92 flights)
  • Wed66%(93 flights)
  • Thu76%(91 flights)
  • Fri77%(88 flights)
  • Sat80%(91 flights)
  • Sun79%(93 flights)
On-time by departure window
  • 6–9 AM92%(71 flights)
  • 9 AM–12 PM86%(371 flights)
  • 12–3 PM61%(97 flights)
  • 3–6 PM78%(23 flights)
  • 6–9 PM49%(75 flights)
On-time trend by month
89%
May

Jun 70% → May 89% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%60
July 202550%58
August 202552%46
September 202592%59
October 202582%62
November 202590%59
December 202585%46
January 202684%31
February 202676%62
March 202685%39
April 202683%53
May 202689%62
Departures on time
81%
Diverted
0.6%
Flights flown
637
Months covered
12

Keep nerding

Based on 645 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.