Route · ATL → MIA · 2020–2025 BTS data
Atlanta to Miami
The ATL–MIA corridor (Atlanta, GA → Miami, FL) runs behind the national average, served by 39 carriers across roughly 594 miles.
Data updated 2026-06-13
- 76.7%
- On-time
- -2.3 pts
- vs US avg
- 75 min
- Delay when late
- 37,418
- Flights
Cancelled
1.3%
Best Month
Oct 2024 88%
Worst Month
Jul 2025 59%
Distance
594 mi
Carriers
39
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 587 | 179 | 13 | 1 | DL,YX,F9,NK,AA,MQ |
| Nov 2025 | 495 | 135 | 7 | 1 | DL,F9,MQ,NK,AA,YX |
| Oct 2025 | 485 | 100 | 2 | 0 | AA,DL,YX,F9,MQ,NK |
| Sep 2025 | 421 | 83 | 0 | 3 | MQ,DL,NK,YX,F9,AA |
| Aug 2025 | 498 | 159 | 4 | 2 | AA,F9,MQ,NK,DL |
| Jul 2025 | 519 | 211 | 9 | 3 | AA,DL,NK,F9 |
| Jun 2025 | 506 | 195 | 13 | 2 | AA,DL,F9,MQ,NK |
| May 2025 | 537 | 138 | 0 | 2 | AA,DL,NK,YX,F9,MQ |
| Apr 2025 | 563 | 134 | 8 | 1 | DL,F9,MQ,NK,WN,AA |
| Mar 2025 | 593 | 179 | 7 | 1 | AA,DL,WN,F9,MQ,NK |
| Feb 2025 | 497 | 126 | 4 | 0 | AA,DL,WN,F9,MQ |
| Jan 2025 | 544 | 138 | 22 | 1 | AA,DL,WN,F9,MQ |
| Dec 2024 | 582 | 176 | 1 | 0 | AA,DL,F9,MQ,WN,YX |
| Nov 2024 | 521 | 85 | 0 | 1 | MQ,NK,WN,DL,F9,AA |
| Oct 2024 | 534 | 64 | 5 | 0 | MQ,DL,F9,WN,AA |
| Sep 2024 | 502 | 89 | 2 | 1 | WN,AA,DL,F9,MQ |
| Aug 2024 | 512 | 152 | 17 | 9 | AA,DL,F9,MQ,NK,WN |
| Jul 2024 | 520 | 204 | 17 | 1 | AA,DL,F9,WN |
| Jun 2024 | 526 | 186 | 18 | 3 | AA,DL,F9,NK,WN |
| May 2024 | 590 | 193 | 4 | 1 | AA,DL,F9,MQ,NK,WN |
| Apr 2024 | 590 | 155 | 1 | 1 | AA,DL,F9,MQ,NK,WN |
| Mar 2024 | 624 | 211 | 10 | 3 | AA,DL,F9,MQ,NK,WN,YX |
| Feb 2024 | 564 | 109 | 0 | 0 | AA,DL,F9,MQ,NK,WN,YX |
| Jan 2024 | 634 | 204 | 1 | 0 | AA,DL,F9,MQ,NK,WN,YX |
Cancellation Rate
1.3%
165 of 12,944 flights
Diversion Rate
0.3%
37 of 12,944 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
ATL - Atlanta
Full on-time, delay-cause, and seasonal performance for Atlanta, GA.
Origin airport →MIA - Miami
Full on-time, delay-cause, and seasonal performance for Miami, FL.
Destination airport →Compare the two airports
See ATL and MIA side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to ATL–MIA.
Routes with a similar on-time rate
What the Data Says About ATL to MIA
The Atlanta to Miami corridor (ATL to MIA) posts a 76.7% on-time rate on the lower edge of the average band, based on 37,418 tracked flights. Late flights run 75.0 minutes behind on average. 39 carriers cover the 594-mile route; over the last 24 months, 165 of 12,944 flights were cancelled (1.3%) and 0.3% diverted.
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 88% on-time, while Jul 2025 came in at just 59% - a 29-point swing worth factoring into travel timing.
Frequently Asked Questions
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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.
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.