Skip to content
WanderNerd
Check a flight

Route Reliability

Washington → Burlington

IAD–BTV · 441 miles · Washington Dulles International Airport to Burlington International Airport

73
Usually Fine
WanderNerd Reliability Score
79%
Arrive within 15 minutes
15 min
Average arrival delay
2.3%
Cancelled
1,271
Flights in the data

Data through May 2026.

United Airlines is the only airline in this data on this route, arriving on time 79% of the time across 1,271 flights. No comparison to make.

What the data says

Morning-you made the right choice.

IAD–BTV flights departing between 6–9 AM arrived on time 90% of the time, versus 71% between 3–6 PM.

Skip Saturday if you can.

IAD–BTV flights arrived on time 85% of the time on Mondays. On Saturdays: 75%.

Trending in the right direction.

IAD–BTV flights arrived on time 82% of the time over the last three months in the data, compared with 70% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon85%(176 flights)
  • Tue78%(172 flights)
  • Wed78%(168 flights)
  • Thu78%(185 flights)
  • Fri76%(182 flights)
  • Sat75%(167 flights)
  • Sun79%(186 flights)
On-time by departure window
  • 6–9 AM90%(334 flights)
  • 9 AM–12 PM—(1 flights)
  • 12–3 PM77%(346 flights)
  • 3–6 PM71%(363 flights)
  • 9 PM–12 AM75%(192 flights)
On-time trend by month
85%
May

Jun 73% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%129
July 202579%106
August 202585%105
September 202589%81
October 202589%104
November 202574%82
December 202558%106
January 202670%87
February 202681%96
March 202677%116
April 202683%117
May 202685%107

Same trip, other airports

Keep nerding

Based on 1,271 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.