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Flight Reliability

UA 4349 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 4349 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

76%
Arrive within 15 minutes
15 min
Average arrival delay
2.8%
Cancelled
6 min early
Median arrival delay

Based on 283 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(39 flights)
  • Tue73%(41 flights)
  • Wed80%(39 flights)
  • Thu75%(40 flights)
  • Fri76%(41 flights)
  • Sat73%(33 flights)
  • Sun74%(42 flights)
On-time by departure window
  • 9 AM–12 PM—(3 flights)
  • 12–3 PM85%(107 flights)
  • 3–6 PM90%(29 flights)
  • 6–9 PM65%(136 flights)
On-time trend by month
92%
May

Jun 55% → May 92% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202555%22
July 202541%27
August 202565%31
September 202577%30
October 202581%26
December 202580%15
January 202689%28
February 202688%25
March 202679%24
April 202690%29
May 202692%13
Departures on time
75%
Diverted
0%
Flights flown
275
Months covered
12

Keep nerding

Based on 283 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.