Route · BWI → ATL · 2020–2025 BTS data
Baltimore to Atlanta
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), BWI to ATL (Baltimore to Atlanta) ranks #102 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 82.1%
- On-time
- +3.1 pts
- vs US avg
- 72 min
- Delay when late
- 31,798
- Flights
- #102 of 4927
- Corpus placement
Cancelled
1.4%
Best Month
Oct 2024 91%
Worst Month
Jul 2024 65%
Distance
577 mi
Carriers
16
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 433 | 94 | 10 | 1 | DL,WN,F9,NK |
| Nov 2025 | 468 | 71 | 7 | 1 | DL,F9,NK,WN |
| Oct 2025 | 502 | 72 | 0 | 1 | DL,WN,F9,NK |
| Sep 2025 | 465 | 55 | 0 | 0 | WN,DL,NK,F9 |
| Aug 2025 | 493 | 102 | 6 | 4 | WN,F9,NK,DL |
| Jul 2025 | 506 | 166 | 15 | 0 | DL,NK,WN,F9 |
| Jun 2025 | 496 | 169 | 19 | 1 | WN,DL,F9,NK |
| May 2025 | 493 | 136 | 4 | 4 | NK,WN,DL,F9 |
| Apr 2025 | 451 | 94 | 5 | 3 | DL,F9,NK,WN |
| Mar 2025 | 468 | 77 | 5 | 1 | WN,DL,F9,NK |
| Feb 2025 | 425 | 67 | 1 | 0 | DL,WN,F9,NK |
| Jan 2025 | 466 | 97 | 30 | 0 | DL,WN,F9,NK |
| Dec 2024 | 535 | 105 | 1 | 0 | DL,F9,NK,WN |
| Nov 2024 | 535 | 76 | 1 | 0 | NK,WN,DL,F9 |
| Oct 2024 | 514 | 48 | 1 | 0 | WN,DL,NK,F9 |
| Sep 2024 | 497 | 72 | 5 | 1 | WN,NK,DL,F9 |
| Aug 2024 | 539 | 153 | 5 | 0 | DL,F9,NK,WN |
| Jul 2024 | 500 | 174 | 26 | 4 | DL,F9,NK,WN |
| Jun 2024 | 492 | 91 | 4 | 0 | DL,F9,NK,WN |
| May 2024 | 559 | 151 | 4 | 1 | DL,F9,NK,WN |
| Apr 2024 | 530 | 113 | 5 | 0 | DL,F9,NK,WN |
| Mar 2024 | 502 | 91 | 6 | 0 | DL,F9,NK,WN |
| Feb 2024 | 390 | 57 | 0 | 0 | DL,F9,NK,WN |
| Jan 2024 | 426 | 108 | 8 | 3 | DL,F9,NK,WN |
BWI–ATL seasonal on-time pattern
Best: September (87.3%) · weakest: July (72.0%)
Strongest calendar month
September
87.3% on-time · ~446 flights/mo
Busiest calendar month
October
~476 flights/mo avg
Weakest calendar month
July
72.0% on-time · ~450 flights/mo
Cancellation Rate
1.4%
168 of 11,685 flights
Diversion Rate
0.2%
25 of 11,685 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
BWI - Baltimore
Full on-time, delay-cause, and seasonal performance for Baltimore, MD.
BWI on-time profileATL - Atlanta
Full on-time, delay-cause, and seasonal performance for Atlanta, GA.
ATL on-time profileCompare the two airports
See BWI and ATL side by side on delays, cancellations, and reliability.
Compare BWI vs ATLOrigin-hub reliability standing
Mid-pack among BWI departures
From BWI, this corridor sits with 53 other 75–85% on-time routes out of 64 tracked departures, not the hub's reliability leaders (0 at ≥85%) and not the softest ( 11 below 75%). Destination: Atlanta · fleet on-time rank #2302 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to BWI–ATL.
Routes with a similar on-time rate
What the Data Says About BWI to ATL
Bureau of Transportation Statistics records show Baltimore to Atlanta (BWI to ATL) running a 82.1% on-time rate over 31,798 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 72.0 minutes. The 577-mile corridor is served by 16 carriers, and over the last 24 months 1.4% of 11,685 flights were cancelled, 0.2% diverted.
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 91% on-time, while Jul 2024 came in at just 65% - a 26-point swing worth factoring into travel timing.
On the multi-year calendar, BWI–ATL peaks in September at 87.3% on-time while October carries the heaviest traffic (~476 flights per month) ; the softest month is July at 72.0%, a 15.3-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does BWI to ATL rank among US routes by traffic? ▼
How often are flights delayed from BWI to ATL? ▼
What is the cancellation rate for BWI to ATL? ▼
How far is the flight from BWI to ATL? ▼
When is the best time to fly from BWI to ATL? ▼
Airports on this route
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Using BWI–ATL data
BWI–ATL runs 3.1 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare BWI and ATL airport profiles: delay causes and top routes differ even on the same corridor. BWI airport
- If your dates flex, September (87.3% on-time) beats July (72.0%) on this corridor. Seasonal chart
- 4 other routes post a similar 82.1% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.