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Flight Reliability

UA 1347 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1347 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

78%
Arrive within 15 minutes
10 min
Average arrival delay
0.3%
Cancelled
1 min early
Median arrival delay

Based on 366 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon85%(53 flights)
  • Tue80%(51 flights)
  • Wed81%(52 flights)
  • Thu78%(51 flights)
  • Fri71%(52 flights)
  • Sat73%(52 flights)
  • Sun79%(53 flights)
On-time by departure window
  • 6–9 AM—(9 flights)
  • 12–3 PM83%(18 flights)
  • 3–6 PM67%(18 flights)
  • 6–9 PM83%(285 flights)
  • 9 PM–12 AM44%(34 flights)
On-time trend by month
84%
May

Jun 71% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202571%14
July 202545%29
August 202574%49
September 202580%30
October 202587%31
November 202586%29
December 202568%31
January 202674%31
February 202689%28
March 202684%31
April 202697%30
May 202684%31
Departures on time
77%
Diverted
0.3%
Flights flown
364
Months covered
12

Keep nerding

Based on 366 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.