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Flight Reliability

UA 3561 · United Airlines

Washington → Indianapolis (IAD–IND)91% of its flights flew this route. The rest (EWR–JAX, EWR–BOS) are included in these numbers.

94
Nerd Approved
WanderNerd Reliability Score
92%
Arrive within 15 minutes
7 min early
Average arrival delay
1.4%
Cancelled
12 min early
Median arrival delay

Based on 346 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

UA 3561 departing between 6–9 AM arrived on time 93% of the time, versus 79% between 3–6 PM.

Tuesday is the weak spot.

UA 3561 arrived on time 96% of the time on Mondays. On Tuesdays: 89%.

Better than the IAD–IND route average.

UA 3561 arrived on time 92% of the time, versus 81% across the IAD–IND route.

Better than the United Airlines network average.

UA 3561 arrived on time 92% of the time, versus 79% across the United Airlines network.

The breakdown

On-time by weekday
  • Mon96%(49 flights)
  • Tue89%(44 flights)
  • Wed91%(44 flights)
  • Thu92%(51 flights)
  • Fri92%(51 flights)
  • Sat92%(51 flights)
  • Sun90%(51 flights)
On-time by departure window
  • 6–9 AM93%(316 flights)
  • 9 AM–12 PM—(1 flights)
  • 3–6 PM79%(24 flights)
On-time trend by month
100%
May

Jun 93% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%29
July 202593%30
August 202584%31
September 202590%29
October 202596%24
November 202593%29
December 202581%32
January 202697%29
February 202696%28
March 202683%29
April 2026100%22
May 2026100%29
Departures on time
92%
Diverted
0%
Flights flown
341
Months covered
12

Same route, other flights

Keep nerding

Based on 346 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.