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Flight Reliability

UA 4191 · United Airlines

Newark → Richmond (EWR–RIC)89% of its flights flew this route. The rest (BTV–EWR, EWR–CAE) are included in these numbers.

27
Bring Snacks
WanderNerd Reliability Score
64%
Arrive within 15 minutes
43 min
Average arrival delay
6.9%
Cancelled
6 min early
Median arrival delay

Based on 394 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

UA 4191 departing between 6–9 AM arrived on time 95% of the time, versus 59% between 6–9 PM.

Friday is doing you no favors.

UA 4191 arrived on time 76% of the time on Saturdays and just 52% on Fridays. That gap is worth planning around.

A bit behind the EWR–RIC route.

UA 4191 arrived on time 64% of the time, versus 70% across the EWR–RIC route.

Well behind the United Airlines network.

UA 4191 arrived on time 64% of the time, versus 79% across the United Airlines network.

The breakdown

On-time by weekday
  • Mon64%(52 flights)
  • Tue67%(55 flights)
  • Wed65%(51 flights)
  • Thu65%(52 flights)
  • Fri52%(56 flights)
  • Sat76%(50 flights)
  • Sun59%(51 flights)
On-time by departure window
  • 6–9 AM95%(19 flights)
  • 3–6 PM90%(20 flights)
  • 6–9 PM59%(310 flights)
  • 9 PM–12 AM83%(18 flights)
On-time trend by month
88%
May

Jun 67% → May 88% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202567%27
July 202544%25
August 202569%29
September 202566%29
October 202552%31
November 202554%26
December 202548%29
January 202671%28
February 202660%25
March 202645%31
April 202677%30
May 202688%57
Departures on time
65%
Diverted
0%
Flights flown
367
Months covered
12

Same route, other flights

Keep nerding

Based on 394 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.