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Flight Reliability

UA 4560 · United Airlines

Washington → Newark (DCA–EWR)99% of its flights flew this route. The rest (ORD–SYR, RDU–EWR) are included in these numbers.

17
Bring Snacks
WanderNerd Reliability Score
62%
Arrive within 15 minutes
45 min
Average arrival delay
8.8%
Cancelled
4 min early
Median arrival delay

Based on 330 historical flights. Data through May 2026.

What the data says

Thursdays have been rough.

UA 4560 arrived on time 89% of the time on Saturdays and just 52% on Thursdays. That gap is worth planning around.

Lagging the DCA–EWR route.

UA 4560 arrived on time 62% of the time, versus 71% across the DCA–EWR route.

Well behind the United Airlines network.

UA 4560 arrived on time 62% of the time, versus 79% across the United Airlines network.

Keep a backup plan handy.

UA 4560 was cancelled 8.8% of the time. Typical for U.S. flights is around 1–2%.

The breakdown

On-time by weekday
  • Mon71%(45 flights)
  • Tue65%(49 flights)
  • Wed57%(47 flights)
  • Thu52%(44 flights)
  • Fri55%(47 flights)
  • Sat89%(26 flights)
  • Sun57%(42 flights)
On-time by departure window
  • 12–3 PM—(4 flights)
  • 3–6 PM62%(295 flights)
  • 6–9 PM—(1 flights)
On-time trend by month
83%
May

Jun 58% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202558%26
July 202552%25
August 202579%24
September 202579%28
October 202539%31
November 202550%18
December 202532%19
January 202677%22
February 202668%22
March 202664%25
April 202660%30
May 202683%30
Departures on time
60%
Diverted
0.3%
Flights flown
300
Months covered
12

Same route, other flights

Keep nerding

Based on 330 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.