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Flight Reliability

UA 4471 · United Airlines

Washington → Richmond (IAD–RIC)95% of its flights flew this route. The rest (ORD–PIA, ORD–DTW) are included in these numbers.

66
Usually Fine
WanderNerd Reliability Score
72%
Arrive within 15 minutes
27 min
Average arrival delay
1.4%
Cancelled
3 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

6–9 PM has a slight edge.

Departures between 6–9 PM arrived on time 75% of the time, against 70% between 3–6 PM.

Friday is doing you no favors.

UA 4471 arrived on time 80% of the time on Wednesdays and just 65% on Fridays. That gap is worth planning around.

A bit behind the IAD–RIC route.

UA 4471 arrived on time 72% of the time, versus 77% across the IAD–RIC route.

Lagging the United Airlines network.

UA 4471 arrived on time 72% of the time, versus 79% across the United Airlines network.

The breakdown

On-time by weekday
  • Mon71%(51 flights)
  • Tue75%(52 flights)
  • Wed80%(51 flights)
  • Thu65%(52 flights)
  • Fri65%(52 flights)
  • Sat77%(51 flights)
  • Sun71%(51 flights)
On-time by departure window
  • 6–9 AM—(7 flights)
  • 9 AM–12 PM73%(11 flights)
  • 3–6 PM70%(266 flights)
  • 6–9 PM75%(76 flights)
On-time trend by month
77%
May

Jun 67% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202567%30
July 202569%29
August 202581%31
September 202590%30
October 202584%31
November 202559%29
December 202545%31
January 202670%30
February 202675%28
March 202665%31
April 202683%30
May 202677%30
Departures on time
71%
Diverted
0%
Flights flown
360
Months covered
12

Same route, other flights

Keep nerding

Based on 365 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.