Route on-time record

BOS to ATL: most on-time flights and the best time to fly

Boston (Boston Logan International Airport) to Atlanta (Hartsfield Jackson Atlanta International Airport). 4,903 nonstop flights in Jun 2025 to May 2026, 78% arrived within 15 minutes and 2.0% were cancelled. The most reliable flight number was Delta 695 at 5:35 AM.

Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.

BOS → ATL

Boston to Atlanta: 4,903 nonstop flights a year

On time (12 months)

78%

Cancelled

2.0%

avg delay 16 min

Best time to leave

Before 9 AM

85% on time vs 66% 6 to 9 PM

Most reliable airline

Spirit

80% chance on time

Check BOS to ATL fares

Lowest nonstop fare seen in the next two months: $149 (Frontier 1773 on 2026-11-20). Fares open on our travel partner (Aviasales). Pick the flight number you chose here.

Most reliable nonstop flights

Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.

#1 · Delta 695
5:35 AM → 8:40 AM2h 57m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as Delta 2242; its record covers all of them.
87%
chance on time
On time (history)
90%
Cancelled
2.6%
Avg arrival delay
6 min
- Arrived on time 90% of the time (379 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 85% on time; 6 to 9 PM: 66%).
- Departs outside BOS's trouble window (noon to 6 PM, when 79% of its 196 ground stops and delay programs started).
Strong track record · 379 flights
Find Delta 695 fares Opens this date on Aviasales
#2 · Delta 456
8:30 AM → 11:28 AM2h 53m nonstop
Local times, typical schedule. Last flown 2026-05-31.
87%
chance on time
On time (history)
89%
Cancelled
2.2%
Avg arrival delay
12 min
- Arrived on time 89% of the time (350 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 85% on time; 6 to 9 PM: 66%).
- Departs outside BOS's trouble window (noon to 6 PM, when 79% of its 196 ground stops and delay programs started).
Strong track record · 350 flights
Find Delta 456 fares Opens this date on Aviasales
#3 · Delta 923
8:00 AM → 10:53 AM2h 56m nonstop
Local times, typical schedule. Last flown 2026-05-31.
86%
chance on time
On time (history)
87%
Cancelled
1.2%
Avg arrival delay
13 min
- Arrived on time 87% of the time (318 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 85% on time; 6 to 9 PM: 66%).
- Departs outside BOS's trouble window (noon to 6 PM, when 79% of its 196 ground stops and delay programs started).
Strong track record · 318 flights
Find Delta 923 fares Opens this date on Aviasales
#4 · Delta 385
12:45 PM → 3:41 PM2h 55m nonstop
Local times, typical schedule. Last flown 2026-05-31.
86%
chance on time
On time (history)
89%
Cancelled
3.2%
Avg arrival delay
11 min
- Arrived on time 89% of the time (337 flights, Jun 2025 to May 2026).
- Cancelled 3.2% of the time (11 of 348).
- Departs inside BOS's trouble window: 79% of its 196 ground stops and delay programs started between noon and 6 PM.
- Lands inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.
Strong track record · 337 flights
Find Delta 385 fares Opens this date on Aviasales
#5 · Delta 973
11:10 AM → 2:09 PM2h 59m nonstop
Local times, typical schedule. Last flown 2026-05-31.
82%
chance on time
On time (history)
84%
Cancelled
1.9%
Avg arrival delay
9 min
- Arrived on time 84% of the time (357 flights, Jun 2025 to May 2026).
- Departs outside BOS's trouble window (noon to 6 PM, when 79% of its 196 ground stops and delay programs started).
- Lands inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.
Strong track record · 357 flights
Find Delta 973 fares Opens this date on Aviasales
#6 · Delta 322
2:00 PM → 4:54 PM2h 50m nonstop
Local times, typical schedule. Last flown 2026-05-31.
81%
chance on time
On time (history)
81%
Cancelled
1.1%
Avg arrival delay
13 min
- Arrived on time 81% of the time (360 flights, Jun 2025 to May 2026).
- Departs inside BOS's trouble window: 79% of its 196 ground stops and delay programs started between noon and 6 PM.
- Lands inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.
Strong track record · 360 flights
Find Delta 322 fares Opens this date on Aviasales
#7 · Delta 2779
12:25 PM → 3:10 PM2h 45m nonstop
Local times, typical schedule. Last flown 2026-05-31.
79%
chance on time
On time (history)
80%
Cancelled
0.0%
Avg arrival delay
8 min
- Arrived on time 80% of the time (49 flights, Jun 2025 to May 2026).
- Never cancelled in 49 scheduled flights.
- Departs inside BOS's trouble window: 79% of its 196 ground stops and delay programs started between noon and 6 PM.
- Lands inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.
Limited track record · 49 flights
Find Delta 2779 fares Opens this date on Aviasales
#8 · JetBlue 797
8:35 AM → 11:08 AM2h 58m nonstop
Local times, typical schedule. Last flown 2026-05-20.
79%
chance on time
On time (history)
80%
Cancelled
2.7%
Avg arrival delay
11 min
- Arrived on time 80% of the time (143 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 85% on time; 6 to 9 PM: 66%).
- Departs outside BOS's trouble window (noon to 6 PM, when 79% of its 196 ground stops and delay programs started).
Moderate track record · 143 flights
Find JetBlue 797 fares Opens this date on Aviasales
#9 · JetBlue 1097
12:15 PM → 3:09 PM2h 55m nonstop
Local times, typical schedule. Last flown 2026-05-31.
79%
chance on time
On time (history)
81%
Cancelled
1.4%
Avg arrival delay
13 min
- Arrived on time 81% of the time (219 flights, Jun 2025 to May 2026).
- Departs inside BOS's trouble window: 79% of its 196 ground stops and delay programs started between noon and 6 PM.
- Lands inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.
Strong track record · 219 flights
Find JetBlue 1097 fares Opens this date on Aviasales
#10 · Delta 638
3:00 PM → 6:46 PM2h 54m nonstop
Local times, typical schedule. Last flown 2026-05-29.
76%
chance on time
On time (history)
77%
Cancelled
1.4%
Avg arrival delay
16 min
- Arrived on time 77% of the time (278 flights, Jun 2025 to May 2026).
- Departs inside BOS's trouble window: 79% of its 196 ground stops and delay programs started between noon and 6 PM.
- Lands inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.
Strong track record · 278 flights
Find Delta 638 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

Spirit Airlines80%
49 flights · 84% on time as flown · 1.5% cancel
Delta Air Lines80%
3,656 flights · 81% on time as flown · 1.9% cancel
JetBlue68%
849 flights · 69% on time as flown · 2.3% cancel
Frontier Airlines64%
349 flights · 63% on time as flown · 2.4% cancel

On time by departure time

All airlines, scheduled local departure, Jun 2025 to May 2026.

Before 9 AM85%
1,386 flights · avg delay 12 min
9 AM to noon84%
957 flights · avg delay 12 min
Noon to 3 PM82%
791 flights · avg delay 12 min
3 to 6 PM70%
888 flights · avg delay 22 min
6 to 9 PM66%
803 flights · avg delay 25 min

Best day: Wednesday (84%). Worst: Sunday (73%).

Smarter routing

Nearby airports that run more on time

PVD → ATL 82% chance on time
Rhode Island T. F. Green International Airport to Hartsfield Jackson Atlanta International Airport · 1,079 flights a year · 49 mi from your airports · yours: 76%
Rank flights Fares

On time by month

All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.

What delays this route

Late-arriving aircraft43%
Airline (crew, maintenance, boarding)34%
Air traffic control and airport volume22%
Severe weather1%

Share of delay minutes by the cause airlines report to the US DOT.

Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure

BOS to ATL questions

What time of day is best to fly BOS to ATL?: Before 9 AM: 85% of flights arrived on time, against 66% for departures 6 to 9 PM. Later flights inherit delays from earlier ones, so the first departures of the day usually run best.
Which airline is most on time from BOS to ATL?: Spirit, with a season-adjusted 80% chance of operating and arriving on time over 49 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
What is the worst month for delays on BOS to ATL?: July (68% on time); the best was October (85%), averaged over Jun 2023 to May 2026.
Is this a prediction for my flight?: No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.

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