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Route Reliability

Washington → Hartford

IAD–BDL · 325 miles · Washington Dulles International Airport to Bradley International Airport

84
Pretty Reliable
WanderNerd Reliability Score
85%
Arrive within 15 minutes
3 min
Average arrival delay
2.1%
Cancelled
1,404
Flights in the data

Data through May 2026.

United Airlines is the only airline in this data on this route, arriving on time 85% of the time across 1,404 flights. No comparison to make.

What the data says

Morning-you made the right choice.

IAD–BDL flights departing between 6–9 AM arrived on time 90% of the time, versus 80% between 3–6 PM.

Tuesday has been the better bet.

A small edge: 88% on time on Tuesdays against 82% on Mondays.

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
  • Mon82%(193 flights)
  • Tue88%(190 flights)
  • Wed86%(198 flights)
  • Thu82%(198 flights)
  • Fri84%(199 flights)
  • Sat84%(195 flights)
  • Sun87%(200 flights)
On-time by departure window
  • 6–9 AM90%(318 flights)
  • 12–3 PM87%(357 flights)
  • 3–6 PM80%(353 flights)
  • 9 PM–12 AM83%(345 flights)
On-time trend by month
83%
May

Jun 73% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%118
July 202571%118
August 202589%122
September 202589%120
October 202591%123
November 202585%115
December 202582%122
January 202692%94
February 202688%91
March 202684%114
April 202694%116
May 202683%120

Same trip, other airports

Keep nerding

Based on 1,404 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.