BOS to ATL flight delays & on-time performance
Nonstop flights from Boston Logan International Airport to Hartsfield Jackson Atlanta International Airport · 946 miles · Aug 2025 – Jul 2026
- BOS: Ground delay program, avg 1 hour and 10 minutes. Flights to BOS are delayed at their origin airports due to runway construction: average 1 hour and 10 minutes, up to 3 hours.
On-time arrivals
78%
arrived < 15 min late
Cancelled
2.2%
107 flights
Avg arrival delay
17 min
71 min when late
Airlines
4
4,973 flights tracked
Key facts
- Flights from Boston (BOS) to Atlanta (ATL) arrived on time 78% of the time in Aug 2025 – Jul 2026, in line with the national average.
- 2.2% were cancelled, and 8% arrived an hour or more late.
- Delta Air Lines was the most punctual airline here (82% on time); Frontier Airlines was the least (65%).
- Departures scheduled around 8am did best (88% on time); around 7pm did worst (53%).
- Wednesday was the most reliable day to fly (85% on time) and Sunday the least (71%).
- The largest source of delay minutes was late-arriving aircraft (43%).
Which airline is most on time from BOS to ATL?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Delta Air Lines | 82% | 1.8% | 15 min | 7.2% | 3,688 |
| JetBlue | 69% | 3.1% | 23 min | 12.7% | 846 |
| Frontier Airlines | 65% | 3.3% | 19 min | 9.0% | 427 |
| Spirit Airlines | 50% | 0.0% | 33 min | 16.7% | 12 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am87%378 flights
- 6am78%574 flights
- 8am88%461 flights
- 9am86%400 flights
- 10am83%313 flights
- 11am74%207 flights
- 12pm81%408 flights
- 1pm79%278 flights
- 2pm83%158 flights
- 3pm75%423 flights
- 4pm62%160 flights
- 5pm73%320 flights
- 6pm72%409 flights
- 7pm53%183 flights
- 8pm70%203 flights
- 9pm52%65 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday76%4.7% cancelled
- Tuesday77%2.3% cancelled
- Wednesday85%0.1% cancelled
- Thursday79%0.8% cancelled
- Friday81%1.6% cancelled
- Saturday77%2.5% cancelled
- Sunday71%3.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft43%
- Airline (crew, maintenance, cleaning, fueling)33%
- Air traffic control & airport congestion22%
- Extreme weather1%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather51%
- Airline (crew, maintenance, cleaning, fueling)34%
- Air traffic control & airport congestion15%
- Security0%
BOS to ATL: common questions
- How often are BOS to ATL flights on time?
- 78% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Boston to Atlanta cancelled?
- 2.2% of scheduled flights were cancelled (107 of 4,973).
- How long are typical delays?
- Across all flights the average arrival delay was 17 min (early arrivals count as zero). Flights that were late arrived 71 min behind schedule on average, and 8.3% of flights were an hour or more late.
- How long is taxi time at BOS?
- Flights on this route spent 21 min taxiing from the gate to takeoff on average.
Related routes
Return trip: ATL to BOS — 74% on time
More flights from Boston
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: BOS → ATL, nonstop flights by US airlines that report to the DOT. How we calculate this.