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Flight Reliability

UA 1356 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1356 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

70%
Arrive within 15 minutes
17 min
Average arrival delay
1.6%
Cancelled
1 min early
Median arrival delay

Based on 437 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon65%(62 flights)
  • Tue68%(59 flights)
  • Wed78%(60 flights)
  • Thu66%(61 flights)
  • Fri65%(62 flights)
  • Sat69%(61 flights)
  • Sun77%(62 flights)
On-time by departure window
  • 6–9 AM77%(17 flights)
  • 12–3 PM69%(183 flights)
  • 3–6 PM69%(227 flights)
On-time trend by month
77%
May

Jun 60% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202560%35
July 202543%60
August 202564%47
September 202570%30
October 202581%31
November 202597%29
December 202570%43
January 202686%35
February 202672%25
March 202677%31
April 202667%30
May 202677%31
Departures on time
73%
Diverted
0.7%
Flights flown
427
Months covered
12

Keep nerding

Based on 437 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.