2,192 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 88% depart on time. After 4 pm it’s 62%.

Best time to leave 5–6 am 94% arrive on time from AUS

Best single flight AA 406 AUS 05:02 → MIA 08:58 · 91% on time Avoid AA 2294 AUS 07:00 → MIA 11:00 · 86% on time

Time of day × airport

Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).

AUS

% of this route’s flights leaving within 15 min (small number: flights in the Jun 6 – Jul 31, 2026 schedule): 85+75–8465–7455–64under 55

Pick an hour to see this route’s flights leaving then.

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.


Delta	252	90%	1.2%	80 min
American (incl. Envoy)	1,553	80%	1.2%	82 min
Southwest	349	68%	0.9%	48 min
Spirit	1	–	0.0%	–
Frontier	37	–	0.0%	83 min

Dimmed: fewer than 150 flights in the year, too few to rank.

Flights, best and worst

Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.


AA 406	AUS 05:02	MIA 08:58	91%
DL 2507	AUS 08:35	MIA 12:33	90%
AA 2294	AUS 07:00	MIA 11:00	86%

All 8 flights on this route →

Nonstops by airline and airport

Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.


Delta	AUS	MIA	2h 58m	90%	1.2%	252	Flying now
American	AUS	MIA	2h 49m	80%	1.2%	1,553	Flying now
Southwest	AUS	MIA	2h 40m	68%	0.9%	349	Flying now
Spirit	AUS	MIA	–	100%few flights	0.0%	1	Not flying now
Frontier	AUS	MIA	2h 57m	76%few flights	0.0%	37	Not flying now

Flying on a particular day? Pick a date above and the same ranking uses our forecast odds for each flight that day: Tomorrow.

About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON