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Route Reliability

Atlanta → Boston

ATL–BOS · 946 miles · Hartsfield–Jackson Atlanta International Airport to Boston Logan International Airport

74
Usually Fine
WanderNerd Reliability Score
74%
Arrive within 15 minutes
10 min
Average arrival delay
2.0%
Cancelled
4,904
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 Lines76%3,658 flights
  2. 2.JetBlue Airways71%846 flights
  3. 3.Frontier Airlines66%350 flights

Not enough history to rank: Spirit Airlines (50 flights). We rank airlines only after 100 flights on the route.

What the data says

Morning flights do better here.

ATL–BOS flights departing between 6–9 AM arrived on time 88% of the time, versus 62% between 3–6 PM.

Sunday scaries are real for this one.

ATL–BOS flights arrived on time 80% of the time on Saturdays. On Sundays: 69%.

Delta Air Lines runs this route best.

Delta Air Lines arrived on time 76% of the time on this route; Frontier Airlines managed 66%.

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%(713 flights)
  • Tue74%(666 flights)
  • Wed78%(675 flights)
  • Thu73%(720 flights)
  • Fri75%(724 flights)
  • Sat80%(597 flights)
  • Sun69%(709 flights)
On-time by departure window
  • 3–6 AM72%(18 flights)
  • 6–9 AM88%(991 flights)
  • 9 AM–12 PM84%(838 flights)
  • 12–3 PM68%(1060 flights)
  • 3–6 PM62%(655 flights)
  • 6–9 PM64%(691 flights)
  • 9 PM–12 AM72%(551 flights)
On-time trend by month
80%
May

Jun 69% → May 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%430
July 202565%416
August 202583%402
September 202570%398
October 202570%422
November 202579%411
December 202574%405
January 202676%318
February 202678%305
March 202672%395
April 202677%443
May 202680%459

Keep nerding

Based on 4,904 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.