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Flight Reliability

UA 704 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 704 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

83%
Arrive within 15 minutes
3 min
Average arrival delay
0.6%
Cancelled
7 min early
Median arrival delay

Based on 519 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(74 flights)
  • Tue83%(72 flights)
  • Wed85%(72 flights)
  • Thu85%(74 flights)
  • Fri76%(71 flights)
  • Sat91%(74 flights)
  • Sun81%(78 flights)
On-time by departure window
  • 6–9 AM89%(44 flights)
  • 9 AM–12 PM83%(337 flights)
  • 12–3 PM82%(45 flights)
  • 3–6 PM79%(89 flights)
On-time trend by month
86%
May

Jun 80% → May 86% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%35
July 202569%61
August 202584%31
September 202591%53
October 202597%37
November 202592%59
December 202590%31
January 202665%31
February 202678%41
March 202675%36
April 202683%58
May 202686%42
Departures on time
84%
Diverted
0.2%
Flights flown
515
Months covered
12

Keep nerding

Based on 519 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.