Route Reliability
Boston → Atlanta
BOS–ATL · 946 miles · Boston Logan International Airport to Hartsfield–Jackson Atlanta International Airport
- 79%
- Arrive within 15 minutes
- 6 min
- Average arrival delay
- 2.0%
- Cancelled
- 4,903
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Delta Air Lines82%3,656 flights
- 2.JetBlue Airways70%849 flights
- 3.Frontier Airlines66%349 flights
Not enough history to rank: Spirit Airlines (49 flights). We rank airlines only after 100 flights on the route.
What the data says
Morning flights do better here.
BOS–ATL flights departing between 3–6 AM arrived on time 88% of the time, versus 53% between 9 PM–12 AM.
Sunday scaries are real for this one.
BOS–ATL flights arrived on time 87% of the time on Wednesdays. On Sundays: 72%.
Delta Air Lines has a clear lead on this route.
Delta Air Lines arrived on time 82% of the time on this route; Frontier Airlines managed 66%.
Trending in the right direction.
BOS–ATL flights arrived on time 81% of the time over the last three months in the data, compared with 73% in the three months before that.
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
- Mon77%(716 flights)
- Tue79%(665 flights)
- Wed87%(670 flights)
- Thu79%(718 flights)
- Fri80%(726 flights)
- Sat77%(578 flights)
- Sun72%(721 flights)
- 3–6 AM88%(366 flights)
- 6–9 AM84%(989 flights)
- 9 AM–12 PM84%(934 flights)
- 12–3 PM83%(781 flights)
- 3–6 PM71%(864 flights)
- 6–9 PM67%(784 flights)
- 9 PM–12 AM53%(76 flights)
Jun 77% → May 82% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 77% | 431 |
| July 2025 | 74% | 417 |
| August 2025 | 83% | 396 |
| September 2025 | 83% | 400 |
| October 2025 | 82% | 422 |
| November 2025 | 79% | 407 |
| December 2025 | 70% | 406 |
| January 2026 | 73% | 317 |
| February 2026 | 76% | 306 |
| March 2026 | 81% | 394 |
| April 2026 | 82% | 441 |
| May 2026 | 82% | 457 |
Keep nerding
Based on 4,903 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.