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Flight Reliability

UA 3530 · United Airlines

Indianapolis → Washington (IND–IAD)99% of its flights flew this route. The rest (EWR–JAX) are included in these numbers.

81
Pretty Reliable
WanderNerd Reliability Score
80%
Arrive within 15 minutes
9 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

Sunday scaries are real for this one.

UA 3530 arrived on time 86% of the time on Wednesdays and just 69% on Sundays. That gap is worth planning around.

A bit behind the IND–IAD route.

UA 3530 arrived on time 80% of the time, versus 86% across the IND–IAD route.

Trending in the right direction.

UA 3530 arrived on time 89% of the time over the last three months in the data, compared with 78% in the three months before that.

The breakdown

On-time by weekday
  • Mon78%(51 flights)
  • Tue82%(51 flights)
  • Wed86%(49 flights)
  • Thu83%(52 flights)
  • Fri83%(52 flights)
  • Sat81%(52 flights)
  • Sun69%(51 flights)
On-time by departure window
  • 6–9 AM—(2 flights)
  • 12–3 PM81%(352 flights)
  • 3–6 PM—(4 flights)
On-time trend by month
83%
May

Jun 62% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202562%29
July 202567%30
August 202587%30
September 202583%30
October 202584%31
November 202580%30
December 202552%31
January 202690%29
February 202693%27
March 202684%31
April 2026100%30
May 202683%30
Departures on time
84%
Diverted
0.5%
Flights flown
358
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.