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Route Reliability

Atlanta → Washington

ATL–DCA · 547 miles · Hartsfield–Jackson Atlanta International Airport to Ronald Reagan Washington National Airport

59
A Little Dicey
WanderNerd Reliability Score
70%
Arrive within 15 minutes
19 min
Average arrival delay
3.3%
Cancelled
6,817
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.American Airlines74%1,818 flights
  2. 2.Southwest Airlines74%1,169 flights
  3. 3.Delta Air Lines67%3,830 flights

What the data says

Morning flights do better here.

ATL–DCA flights departing between 3–6 AM arrived on time 93% of the time, versus 55% between 6–9 PM.

Sunday scaries are real for this one.

ATL–DCA flights arrived on time 78% of the time on Saturdays. On Sundays: 66%.

American Airlines runs this route best.

American Airlines arrived on time 74% of the time on this route; Delta Air Lines managed 67%.

Keep a backup plan handy.

This route was cancelled 3.3% 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%(992 flights)
  • Tue73%(951 flights)
  • Wed70%(1009 flights)
  • Thu67%(993 flights)
  • Fri67%(977 flights)
  • Sat78%(721 flights)
  • Sun66%(917 flights)
On-time by departure window
  • 3–6 AM93%(41 flights)
  • 6–9 AM87%(1128 flights)
  • 9 AM–12 PM83%(1362 flights)
  • 12–3 PM69%(675 flights)
  • 3–6 PM60%(1616 flights)
  • 6–9 PM55%(1282 flights)
  • 9 PM–12 AM67%(456 flights)
On-time trend by month
72%
May

Jun 61% → May 72% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202561%533
July 202557%532
August 202575%570
September 202581%590
October 202579%581
November 202570%521
December 202567%522
January 202672%524
February 202668%512
March 202663%552
April 202673%562
May 202672%561

Same trip, other airports

Keep nerding

Based on 6,817 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.