BWI to ATL flight delays & on-time performance
Nonstop flights from Baltimore/Washington International Thurgood Marshall Airport to Hartsfield Jackson Atlanta International Airport · 577 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at BWI or ATL right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Baltimore (BWI) to Atlanta (ATL) arrived on time 81% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 2% were cancelled, and 7% arrived an hour or more late.
- Delta Air Lines was the most punctual airline here (86% on time); Frontier Airlines was the least (68%).
- Departures scheduled around 7am did best (90% on time); around 5pm did worst (67%).
- Wednesday was the most reliable day to fly (87% on time) and Sunday the least (77%).
- The largest source of delay minutes was late-arriving aircraft (37%).
Which airline is most on time from BWI 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 | 86% | 2.1% | 12 min | 5.7% | 2,811 |
| Spirit Airlines | 86% | 0.9% | 9 min | 2.9% | 106 |
| Southwest Airlines | 77% | 1.3% | 13 min | 6.6% | 1,566 |
| Frontier Airlines | 68% | 2.9% | 22 min | 10.9% | 924 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am82%185 flights
- 6am87%607 flights
- 7am90%354 flights
- 8am89%714 flights
- 9am89%144 flights
- 10am89%446 flights
- 11am80%291 flights
- 12pm82%312 flights
- 1pm83%302 flights
- 2pm84%172 flights
- 3pm77%160 flights
- 4pm80%429 flights
- 5pm67%246 flights
- 6pm71%506 flights
- 7pm69%336 flights
- 8pm48%63 flights
- 9pm46%127 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday77%3.1% cancelled
- Tuesday86%1.9% cancelled
- Wednesday87%1.6% cancelled
- Thursday81%0.5% cancelled
- Friday79%1.1% cancelled
- Saturday78%2.2% cancelled
- Sunday77%3.4% 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 aircraft37%
- Airline (crew, maintenance, cleaning, fueling)34%
- Air traffic control & airport congestion26%
- Extreme weather2%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)50%
- Extreme weather47%
- Air traffic control & airport congestion3%
- Security0%
BWI to ATL: common questions
- How often are BWI to ATL flights on time?
- 81% 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 Baltimore to Atlanta cancelled?
- 2.0% of scheduled flights were cancelled (106 of 5,407).
- How long are typical delays?
- Across all flights the average arrival delay was 14 min (early arrivals count as zero). Flights that were late arrived 68 min behind schedule on average, and 6.8% of flights were an hour or more late.
- How long is taxi time at BWI?
- Flights on this route spent 16 min taxiing from the gate to takeoff on average.
Related routes
Return trip: ATL to BWI — 76% on time
More flights from Baltimore
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: BWI → ATL, nonstop flights by US airlines that report to the DOT. How we calculate this.