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Route Reliability

Manchester → Washington

MHT–IAD · 418 miles · Manchester–Boston Regional Airport to Washington Dulles International Airport

72
Usually Fine
WanderNerd Reliability Score
80%
Arrive within 15 minutes
12 min
Average arrival delay
2.9%
Cancelled
726
Flights in the data

Data through May 2026.

United Airlines is the only airline in this data on this route, arriving on time 80% of the time across 726 flights. No comparison to make.

What the data says

Morning flights do better here.

MHT–IAD flights departing between 9 AM–12 PM arrived on time 93% of the time, versus 74% between 12–3 PM.

Friday is doing you no favors.

MHT–IAD flights arrived on time 85% of the time on Wednesdays. On Fridays: 72%.

Trending in the right direction.

MHT–IAD flights arrived on time 80% of the time over the last three months in the data, compared with 72% in the three months before that.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon81%(104 flights)
  • Tue80%(99 flights)
  • Wed85%(101 flights)
  • Thu83%(107 flights)
  • Fri72%(109 flights)
  • Sat78%(76 flights)
  • Sun81%(103 flights)
On-time by departure window
  • 9 AM–12 PM93%(194 flights)
  • 12–3 PM74%(295 flights)
  • 6–9 PM76%(210 flights)
On-time trend by month
81%
May

Jun 77% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%82
July 202581%68
August 202588%69
September 202587%54
October 202589%37
November 202582%54
December 202561%57
January 202672%54
February 202683%48
March 202677%53
April 202682%60
May 202681%63

Same trip, other airports

Keep nerding

Based on 726 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.