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Route Reliability

Washington → Boston

DCA–BOS · 399 miles · Ronald Reagan Washington National Airport to Boston Logan International Airport

61
A Little Dicey
WanderNerd Reliability Score
71%
Arrive within 15 minutes
15 min
Average arrival delay
3.9%
Cancelled
9,071
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.Delta Air Lines78%3,102 flights
  2. 2.American Airlines69%3,324 flights
  3. 3.JetBlue Airways66%2,645 flights

What the data says

Morning-you made the right choice.

DCA–BOS flights departing between 6–9 AM arrived on time 88% of the time, versus 53% between 3–6 PM.

Sunday scaries are real for this one.

DCA–BOS flights arrived on time 84% of the time on Saturdays and just 66% on Sundays. That gap is worth planning around.

Delta Air Lines runs this route best.

Delta Air Lines arrived on time 78% of the time on this route; JetBlue Airways managed 66%.

Keep a backup plan handy.

This route was cancelled 3.9% of the time. Typical for U.S. flights is around 1–2%.

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
  • Mon71%(1323 flights)
  • Tue75%(1361 flights)
  • Wed74%(1353 flights)
  • Thu68%(1333 flights)
  • Fri67%(1363 flights)
  • Sat84%(721 flights)
  • Sun66%(1262 flights)
On-time by departure window
  • 6–9 AM88%(1918 flights)
  • 9 AM–12 PM83%(1452 flights)
  • 12–3 PM71%(1773 flights)
  • 3–6 PM53%(1592 flights)
  • 6–9 PM59%(1322 flights)
  • 9 PM–12 AM67%(659 flights)
On-time trend by month
76%
May

Jun 70% → May 76% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%715
July 202570%676
August 202583%724
September 202561%746
October 202565%757
November 202572%710
December 202571%682
January 202676%685
February 202672%668
March 202668%786
April 202674%780
May 202676%787

Same trip, other airports

Keep nerding

Based on 9,071 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.