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Flight Reliability

UA 746 · United Airlines

Washington → Denver (DCA–DEN)91% of its flights flew this route. The rest (DEN–SFO) are included in these numbers.

74
Usually Fine
WanderNerd Reliability Score
76%
Arrive within 15 minutes
14 min
Average arrival delay
0.3%
Cancelled
5 min early
Median arrival delay

Based on 399 historical flights. Data through May 2026.

What the data says

The 3–6 PM departure wins.

UA 746 departing between 3–6 PM arrived on time 78% of the time, versus 49% between 9 PM–12 AM.

Friday is doing you no favors.

UA 746 arrived on time 90% of the time on Saturdays and just 65% on Fridays. That gap is worth planning around.

A bit behind the DCA–DEN route.

UA 746 arrived on time 76% of the time, versus 79% across the DCA–DEN route.

A bit behind the United Airlines network.

UA 746 arrived on time 76% of the time, versus 79% across the United Airlines network.

The breakdown

On-time by weekday
  • Mon83%(57 flights)
  • Tue83%(57 flights)
  • Wed73%(56 flights)
  • Thu66%(56 flights)
  • Fri65%(54 flights)
  • Sat90%(57 flights)
  • Sun71%(55 flights)
On-time by departure window
  • 3–6 PM78%(357 flights)
  • 9 PM–12 AM49%(35 flights)
On-time trend by month
87%
May

Jun 74% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202574%34
July 202555%58
August 202583%30
September 202570%30
October 202584%31
November 202576%29
December 202574%31
January 202690%30
February 202679%28
March 202671%31
April 202687%30
May 202687%30
Departures on time
77%
Diverted
1.5%
Flights flown
392
Months covered
12

Same route, other flights

Keep nerding

Based on 399 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.