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Flight Reliability

UA 3450 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 3450 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

87%
Arrive within 15 minutes
2 min early
Average arrival delay
3.3%
Cancelled
13 min early
Median arrival delay

Based on 368 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(50 flights)
  • Tue88%(50 flights)
  • Wed84%(51 flights)
  • Thu90%(49 flights)
  • Fri87%(52 flights)
  • Sat94%(52 flights)
  • Sun81%(52 flights)
On-time by departure window
  • 6–9 AM88%(84 flights)
  • 9 AM–12 PM89%(66 flights)
  • 12–3 PM94%(64 flights)
  • 3–6 PM80%(106 flights)
  • 6–9 PM86%(36 flights)
On-time trend by month
98%
May

Jun 72% → May 98% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202572%25
July 202593%30
August 202594%31
September 202583%29
October 202574%31
November 202596%27
December 202579%29
January 202687%30
February 202688%25
March 202679%29
April 202693%30
May 202698%40
Departures on time
89%
Diverted
0%
Flights flown
356
Months covered
12

Keep nerding

Based on 368 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.