Route · MIA → ATL · 2020–2025 BTS data
Miami to Atlanta
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), MIA to ATL (Miami to Atlanta) ranks #48 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 76.9%
- On-time
- -2.1 pts
- vs US avg
- 80 min
- Delay when late
- 37,400
- Flights
- #48 of 4927
- Corpus placement
Cancelled
1.3%
Best Month
Oct 2024 89%
Worst Month
Jul 2024 60%
Distance
594 mi
Carriers
37
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 584 | 137 | 14 | 0 | DL,YX,F9,NK,AA,MQ |
| Nov 2025 | 494 | 121 | 8 | 1 | DL,F9,MQ,NK,AA,YX |
| Oct 2025 | 484 | 103 | 2 | 1 | AA,DL,YX,F9,MQ,NK |
| Sep 2025 | 419 | 92 | 0 | 0 | MQ,DL,NK,YX,F9,AA |
| Aug 2025 | 499 | 176 | 5 | 2 | AA,F9,MQ,NK,DL |
| Jul 2025 | 519 | 194 | 8 | 3 | AA,DL,NK,F9 |
| Jun 2025 | 508 | 172 | 12 | 6 | AA,DL,F9,MQ,NK |
| May 2025 | 537 | 156 | 0 | 2 | AA,DL,NK,YX,F9,MQ |
| Apr 2025 | 564 | 139 | 9 | 1 | DL,F9,MQ,NK,WN,AA |
| Mar 2025 | 592 | 178 | 6 | 1 | AA,DL,WN,F9,MQ,NK |
| Feb 2025 | 497 | 134 | 3 | 0 | AA,DL,WN,F9,MQ |
| Jan 2025 | 545 | 143 | 23 | 0 | AA,DL,WN,F9,MQ |
| Dec 2024 | 582 | 160 | 1 | 0 | AA,DL,F9,MQ,WN,YX |
| Nov 2024 | 518 | 75 | 0 | 1 | MQ,WN,DL,F9,AA |
| Oct 2024 | 534 | 59 | 5 | 0 | MQ,WN,DL,F9,AA |
| Sep 2024 | 505 | 110 | 3 | 0 | WN,AA,DL,F9,MQ,NK |
| Aug 2024 | 514 | 170 | 17 | 0 | AA,DL,F9,MQ,NK,WN |
| Jul 2024 | 517 | 205 | 17 | 3 | AA,DL,F9,WN |
| Jun 2024 | 527 | 190 | 19 | 1 | AA,DL,F9,NK,WN |
| May 2024 | 589 | 193 | 4 | 2 | AA,DL,F9,MQ,NK,WN |
| Apr 2024 | 591 | 166 | 0 | 0 | AA,DL,F9,MQ,NK,WN |
| Mar 2024 | 624 | 200 | 12 | 0 | AA,DL,F9,MQ,NK,WN,YX |
| Feb 2024 | 563 | 151 | 0 | 0 | AA,DL,F9,MQ,NK,WN,YX |
| Jan 2024 | 635 | 211 | 2 | 2 | AA,DL,F9,MQ,NK,WN,YX |
MIA–ATL seasonal on-time pattern
Best: October (83.9%) · weakest: July (68.0%)
Strongest calendar month
October
83.9% on-time · ~502 flights/mo
Busiest calendar month
March
~602 flights/mo avg
Weakest calendar month
July
68.0% on-time · ~507 flights/mo
Cancellation Rate
1.3%
170 of 12,941 flights
Diversion Rate
0.2%
26 of 12,941 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
MIA - Miami
Full on-time, delay-cause, and seasonal performance for Miami, FL.
MIA on-time profileATL - Atlanta
Full on-time, delay-cause, and seasonal performance for Atlanta, GA.
ATL on-time profileCompare the two airports
See MIA and ATL side by side on delays, cancellations, and reliability.
Compare MIA vs ATLOrigin-hub reliability standing
Mid-pack among MIA departures
From MIA, this corridor sits with 37 other 75–85% on-time routes out of 63 tracked departures, not the hub's reliability leaders (1 at ≥85%) and not the softest ( 25 below 75%). Destination: Atlanta · fleet on-time rank #4122 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to MIA–ATL.
Routes with a similar on-time rate
What the Data Says About MIA to ATL
The Miami to Atlanta corridor (MIA to ATL) posts a 76.9% on-time rate on the lower edge of the average band, based on 37,400 tracked flights. Late flights run 79.8 minutes behind on average. 37 carriers cover the 594-mile route; over the last 24 months, 170 of 12,941 flights were cancelled (1.3%) and 0.2% diverted.
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 89% on-time, while Jul 2024 came in at just 60% - a 29-point swing worth factoring into travel timing.
On the multi-year calendar, MIA–ATL peaks in October at 83.9% on-time while March carries the heaviest traffic (~602 flights per month) ; the softest month is July at 68.0%, a 15.9-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does MIA to ATL rank among US routes by traffic? ▼
How often are flights delayed from MIA to ATL? ▼
What is the cancellation rate for MIA to ATL? ▼
How far is the flight from MIA to ATL? ▼
When is the best time to fly from MIA 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 MIA–ATL data
MIA–ATL is mid-pack at 76.9% on-time; month and carrier mix move more than the corridor headline.
- Compare MIA and ATL airport profiles: delay causes and top routes differ even on the same corridor. MIA airport
- If your dates flex, October (83.9% on-time) beats July (68.0%) on this corridor. Seasonal chart
- 4 other routes post a similar 76.9% 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.