Route · ATL → MIA · 2020–2025 BTS data
Atlanta to Miami
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), ATL to MIA (Atlanta to Miami) ranks #47 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 76.7%
- On-time
- -2.3 pts
- vs US avg
- 75 min
- Delay when late
- 37,418
- Flights
- #47 of 4927
- Corpus placement
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 |
ATL–MIA seasonal on-time pattern
Best: October (83.6%) · weakest: July (67.8%)
Strongest calendar month
October
83.6% on-time · ~500 flights/mo
Busiest calendar month
March
~603 flights/mo avg
Weakest calendar month
July
67.8% on-time · ~507 flights/mo
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.
ATL on-time profileMIA - Miami
Full on-time, delay-cause, and seasonal performance for Miami, FL.
MIA on-time profileCompare the two airports
See ATL and MIA side by side on delays, cancellations, and reliability.
Compare ATL vs MIAOrigin-hub reliability standing
Mid-pack among ATL departures
From ATL, this corridor sits with 75 other 75–85% on-time routes out of 144 tracked departures, not the hub's reliability leaders (67 at ≥85%) and not the softest ( 2 below 75%). Destination: Miami · fleet on-time rank #4150 of 4927.
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.
On the multi-year calendar, ATL–MIA peaks in October at 83.6% on-time while March carries the heaviest traffic (~603 flights per month) ; the softest month is July at 67.8%, a 15.8-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does ATL to MIA rank among US routes by traffic? ▼
How often are flights delayed from ATL to MIA? ▼
What is the cancellation rate for ATL to MIA? ▼
How far is the flight from ATL to MIA? ▼
When is the best time to fly from ATL to MIA? ▼
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 ATL–MIA data
ATL–MIA is mid-pack at 76.7% on-time; month and carrier mix move more than the corridor headline.
- Compare ATL and MIA airport profiles: delay causes and top routes differ even on the same corridor. ATL airport
- If your dates flex, October (83.6% on-time) beats July (67.8%) on this corridor. Seasonal chart
- 4 other routes post a similar 76.7% 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.