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Flight Reliability

UA 3448 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 3448 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

85%
Arrive within 15 minutes
2 min
Average arrival delay
3.0%
Cancelled
9 min early
Median arrival delay

Based on 331 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon87%(45 flights)
  • Tue88%(50 flights)
  • Wed88%(50 flights)
  • Thu91%(43 flights)
  • Fri76%(45 flights)
  • Sat83%(40 flights)
  • Sun80%(45 flights)
On-time by departure window
  • 9 AM–12 PM86%(152 flights)
  • 12–3 PM87%(93 flights)
  • 3–6 PM78%(40 flights)
  • 6–9 PM74%(19 flights)
  • 9 PM–12 AM86%(14 flights)
On-time trend by month
96%
May

Jun 82% → May 96% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202582%27
July 202587%30
August 202589%27
September 202579%28
October 202583%30
November 202570%27
December 202573%26
January 202693%29
February 202688%24
March 202687%31
April 202691%11
May 202696%28
Departures on time
85%
Diverted
0.9%
Flights flown
318
Months covered
12

Keep nerding

Based on 331 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.