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Flight Reliability

UA 1806 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1806 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

79%
Arrive within 15 minutes
9 min
Average arrival delay
1.3%
Cancelled
8 min early
Median arrival delay

Based on 388 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon73%(56 flights)
  • Tue78%(55 flights)
  • Wed76%(55 flights)
  • Thu84%(57 flights)
  • Fri83%(57 flights)
  • Sat79%(48 flights)
  • Sun78%(54 flights)
On-time by departure window
  • 9 AM–12 PM—(1 flights)
  • 12–3 PM78%(49 flights)
  • 3–6 PM42%(33 flights)
  • 6–9 PM84%(51 flights)
  • 9 PM–12 AM83%(248 flights)
On-time trend by month
84%
May

Jun 87% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%30
July 202587%30
August 202571%31
September 202565%48
October 202590%31
November 202582%27
December 202568%37
January 202686%29
February 202679%28
March 202674%31
April 202686%29
May 202684%31
Departures on time
77%
Diverted
0.3%
Flights flown
382
Months covered
12

Keep nerding

Based on 388 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.