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Flight Reliability

UA 1673 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1673 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

62%
Arrive within 15 minutes
22 min
Average arrival delay
2.5%
Cancelled
6 min
Median arrival delay

Based on 730 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon63%(108 flights)
  • Tue67%(108 flights)
  • Wed57%(108 flights)
  • Thu60%(106 flights)
  • Fri71%(103 flights)
  • Sat68%(69 flights)
  • Sun51%(108 flights)
On-time by departure window
  • 6–9 AM92%(36 flights)
  • 9 AM–12 PM—(1 flights)
  • 12–3 PM91%(66 flights)
  • 3–6 PM48%(154 flights)
  • 6–9 PM60%(453 flights)
On-time trend by month
68%
May

Jun 41% → May 68% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202541%59
July 202551%53
August 202562%39
September 202575%56
October 202557%62
November 202562%79
December 202568%71
January 202663%60
February 202669%39
March 202656%54
April 202671%79
May 202668%59
Departures on time
73%
Diverted
0.3%
Flights flown
710
Months covered
12

Keep nerding

Based on 730 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.