Baltimore (BWI) to Atlanta (ATL): On-Time Performance
Data through July 2026
Baltimore (BWI) to Atlanta (ATL) effectively runs on two schedules. In October 2024, 91% of arrivals were on time; in July 2024 that fell to 62% — a 28-point seasonal swing. Across the full period the route averages 79% on-time against a national 78%. Morning departures also hold up better than evening ones (87% vs 63%), which matters most in the rough months.
- On-time
- 79%
- arrived <15 min late
- Avg delay
- 16 min
- completed flights
- Cancelled
- 1.9%
- Flights/day
- 15
- last 12 months
- Duration
- 2h 1m
- scheduled
- Distance
- 577 mi
Best airline from BWI to ATL
4 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Linesmost reliable | 84% | 15 min | 1.7% | 5,951 |
| Southwest Airlines | 76% | 15 min | 1.4% | 3,590 |
| Spirit Airlines | 76% | 17 min | 2.3% | 616 |
| Frontier Airlines | 66% | 25 min | 3.3% | 1,675 |
Monthly on-time trend
Best time to fly from BWI to ATL
Aim for departures around 10 a.m. (90% on-time); avoid 8 p.m. departures (56%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 75% | 19 min |
| Tuesday | 83% | 14 min |
| Wednesdaybest | 84% | 10 min |
| Thursday | 80% | 13 min |
| Friday | 78% | 19 min |
| Saturday | 77% | 18 min |
| Sunday | 74% | 21 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft40%
- Airline operations32%
- National airspace system25%
- Weather4%
Frequently asked questions
- How often are flights from BWI to ATL delayed?
- 21% of BWI–ATL flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 16 minutes.
- Which airline is most reliable from BWI to ATL?
- Delta Air Lines has the best on-time record on this route at 84%, based on 5,951 flights. 4 airlines flew BWI–ATL frequently enough to compare in this period.
- What is the best time of day to fly from BWI to ATL?
- Departures around 10 a.m. have the best record (90% on-time), while departures around 8 p.m. have the worst (56%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BWI to ATL?
- The scheduled BWI–ATL flight time averages 2h 1m over 577 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
- How often are BWI to ATL flights cancelled?
- 1.9% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What is the worst month to fly from BWI to ATL?
- July 2024 was the roughest month in this dataset, with only 62% of arrivals on time. The best was October 2024 at 91%. If your dates are flexible, that 28-point gap is worth planning around.
Explore related pages
- Return route: ATL to BWI on-time stats
- Baltimore/Washington International Thurgood Marshall Airport departure performance
- Hartsfield Jackson Atlanta International Airport airport reliability
- Delta Air Lines on-time record
- Southwest Airlines on-time record
- Frontier Airlines on-time record
- Spirit Airlines on-time record
More routes from BWI
Other ways to fly to Atlanta (ATL)
Related guides
Based on 11,832 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.