PlainFlights

Route · AUS → MIA · 2020–2025 BTS data

Austin to Miami

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), AUS to MIA (Austin to Miami) ranks #1181 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

78.3%
On-time
-0.7 pts
vs US avg
82 min
Delay when late
9,892
Flights
#1181 of 4927
Corpus placement

Cancelled

1.3%

Best Month

Sep 2024 90%

Worst Month

May 2024 61%

Distance

1,103 mi

Carriers

19

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 187 35 0 0 DL,WN,F9,AA,MQ
Nov 2025 165 35 2 1 F9,NK,AA,DL,WN
Oct 2025 152 29 0 0 AA,WN,F9,MQ
Sep 2025 124 22 1 1 MQ,WN,F9,AA
Aug 2025 157 54 2 0 AA,WN,F9,MQ
Jul 2025 178 53 4 1 AA,WN,F9,MQ
Jun 2025 170 41 3 2 AA,WN,F9,MQ
May 2025 159 35 1 0 AA,WN,F9
Apr 2025 149 29 1 0 WN,AA
Mar 2025 155 24 4 0 AA,WN
Feb 2025 140 20 2 0 AA,WN
Jan 2025 154 25 2 0 AA,WN,MQ
Dec 2024 151 30 0 0 AA,MQ,WN
Nov 2024 148 26 1 0 WN,AA
Oct 2024 152 21 3 0 WN,AA
Sep 2024 139 14 0 0 WN,AA
Aug 2024 142 39 4 1 AA,WN
Jul 2024 155 40 2 0 AA,WN
Jun 2024 150 37 10 1 AA,WN
May 2024 155 60 2 0 AA,WN
Apr 2024 152 39 0 0 AA,MQ,WN
Mar 2024 182 63 4 2 AA,MQ,WN
Feb 2024 147 21 1 0 AA,MQ,WN
Jan 2024 159 53 1 0 AA,MQ,WN

AUS–MIA seasonal on-time pattern

Best: October (84.0%) · weakest: August (74.4%)

70%75%80%85% JanFebMarAprMayJunJulAugSepOctNovDec 76.4%

Strongest calendar month

October

84.0% on-time · ~137 flights/mo

Busiest calendar month

May

~156 flights/mo avg

Weakest calendar month

August

74.4% on-time · ~137 flights/mo

Cancellation Rate

1.3%

50 of 3,722 flights

Diversion Rate

0.2%

9 of 3,722 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

AUS - Austin

Full on-time, delay-cause, and seasonal performance for Austin, TX.

AUS on-time profile

MIA - Miami

Full on-time, delay-cause, and seasonal performance for Miami, FL.

MIA on-time profile

Compare the two airports

See AUS and MIA side by side on delays, cancellations, and reliability.

Compare AUS vs MIA

Origin-hub reliability standing

Mid-pack among AUS departures

From AUS, this corridor sits with 45 other 75–85% on-time routes out of 55 tracked departures, not the hub's reliability leaders (3 at ≥85%) and not the softest ( 7 below 75%). Destination: Miami · fleet on-time rank #3733 of 4927.

What the Data Says About AUS to MIA

The Austin to Miami corridor (AUS to MIA) posts a 78.3% on-time rate on the lower edge of the average band, based on 9,892 tracked flights. Late flights run 81.9 minutes behind on average. 19 carriers cover the 1,103-mile route; over the last 24 months, 50 of 3,722 flights were cancelled (1.3%) and 0.2% diverted.

The monthly split is wide on this route: Sep 2024 posted the strongest performance at 90% on-time, while May 2024 came in at just 61% - a 29-point swing worth factoring into travel timing.

On the multi-year calendar, AUS–MIA peaks in October at 84.0% on-time while May carries the heaviest traffic (~156 flights per month) ; the softest month is August at 74.4%, a 9.6-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does AUS to MIA rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, AUS to MIA ranks #1181 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from AUS to MIA? ▼
Flights from Austin to Miami have a 78.3% on-time rate based on 9,892 flights. The average delay is 81.9 minutes. The best recent month was Sep 2024 with 90% on-time.
What is the cancellation rate for AUS to MIA? ▼
Over the last 24 months, 1.3% of flights on this route were cancelled (50 of 3,722 flights) and 0.2% were diverted.
How far is the flight from AUS to MIA? ▼
The flight distance from Austin (AUS) to Miami (MIA) is approximately 1,103 miles. This route is served by 19 carriers.
When is the best time to fly from AUS to MIA? ▼
The best recent month for on-time performance was Sep 2024 (90% on-time). The worst was May 2024 (61% on-time). Consider booking during months with historically better performance.

Airports on this route

AUS Airport

Austin
MIA Airport

Miami
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 AUS–MIA data

AUS–MIA is mid-pack at 78.3% on-time; month and carrier mix move more than the corridor headline.

  • Compare AUS and MIA airport profiles: delay causes and top routes differ even on the same corridor. AUS airport
  • If your dates flex, October (84.0% on-time) beats August (74.4%) on this corridor. Seasonal chart
  • 4 other routes post a similar 78.3% 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.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

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.