Marathon to Austin (MTH–AUS) — Airlines, Schedules & Connections

MTH Airport Page →
1,085 mi airlines 1/wk
On-time Some delays Frequent delays
Flight Schedule 0 flights Verified 5d ago
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  Flight Airline AC Dep Arr Dur OTP Sched  

No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 1-STOP
✧ 2-STOP Loading...
Marathon to Austin
Connecting service available through multiple hubs.
1 Flights/wk 1,085 mi 3h 19m nonstop -2h behind 9 1-stop hubs

While no nonstop service exists between MTH and AUS, connecting options are available through 9 hubs.

Also explore MTH Routes AUS Routes MTH Live Flights AUS Live Flights AUS Delays
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for MTH to AUS.
1-STOP
One-Stop Connections
9
Hubs
~5h
Fastest
~10h
Longest
DAL ~5h 10m BNA ~5h 10m FLL ~6h 25m CLT ~7h 8m DTW ~7h 28m
Verified with published schedule alignment and minimum connection time.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
MTH → AUS
73%
Moderate delays possible. Allow buffer time.
Arriving
73%
Return
AUS → MTH
53%
Frequent delays expected. Consider flexible booking.
Departing
53%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. AUS delays →
Alternatives

Other ways to reach Austin from Marathon

Nearby airports with service to Austin Bergstrom International Airport.
Metric MTH→AUS EYW→AUS MIA→AUS
Distance from MTH – 46 mi 88 mi
Nonstop airlines 0 1 9
Weekly flights 1 – 130
Flight time 3h 19m 3h 1m 3h 5m
Key West (EYW) to Austin flights · Miami (MIA) to Austin flights · Miami (OPF) to Austin flights
Airports within 200 miles of MTH with service to Austin Bergstrom International Airport.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
-2h
Austin is 2 hours behind Marathon.
MTH: EDT · AUS: MDT

When it's 6:00 PM in Marathon, it's 4:00 PM in Austin.
Distance & Flight Time
1,085 mi / 1,746 km
Nonstop flight time is approximately 3h 19m.
Getting from AUS

CapMetro Route 20 to downtown Congress Ave costs $1.25 and takes 30–35 minutes. Buses depart from outside the terminal on the lower level. Last bus around midnight; late arrivals need a ride-share.Uber and Lyft pickup is on the lower level (follow signs to TNCs). Fares run $20–30 to downtown, 15–20 minutes off-peak. Taxis at the curb: $30–40. Rental car desks are in the main terminal; the QTA (Quick Turnaround Area) is a short shuttle ride. Afternoon and evening arrivals may face longer drive times due to city congestion.

Austin Climate

Humid subtropical climate with hot summers. July and August average 36–38°C with heat indices that can reach 43°C. Winter (December–February) is generally mild at 7–17°C. Austin is vulnerable to rare but severe ice storms. Winter Storm Uri (2021) is the benchmark for worst-case disruption, and they can paralyze the city and airport.

Severe thunderstorms peak April through May with hail and tornado risk. Spring storm systems can cause significant ground delays. October and November are the most reliably stable months.

Check current weather forecasts before travel.
Facts

MTH–AUS Quick Facts

Key statistics for the Marathon to Austin route.
Route details
Distance1,085 mi / 1,746 km
Flight time3h 19m
Time difference-2 hours
Airlines (nonstop)0
Weekly flights1 out
1-stop connections9 hubs
Origin: MTH
Full nameFlorida Keys Marathon International Airport
IATA / ICAOMTH / KMTH
TimezoneAmerica/Kentucky/Monticello
Elevation5 ft / 2 m
Destination: AUS
Full nameAustin Bergstrom International Airport
IATA / ICAOAUS / KAUS
TimezoneAmerica/Denver
Passengers/yr21.4M
Elevation542 ft / 165 m
FAQ

Frequently Asked Questions

Common questions about MTH to AUS flights.
Nonstop flights from Florida Keys Marathon International Airport to Austin Bergstrom International Airport take approximately 3h 19m. The route covers 1,085 miles.
There are approximately 1 nonstop flights per week from MTH to AUS.
Yes, 1-stop connections are available through DAL, BNA, FLL, CLT, DTW, NAS, IAD, LAS and YQB. These options provide additional schedule flexibility.
Austin is 2 hours behind Marathon.
Nearby alternatives include EYW, MIA and OPF. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from MTH to AUS

Florida Keys Marathon International Airport (MTH) and Austin Bergstrom International Airport (AUS) are connected through multiple connecting hub airports.

MTH to AUS Flight Duration and Schedule

Nonstop flight time from MTH to AUS ranges from 3 hours 19 minutes. The route covers a distance of 1,085 miles (1,746 km).

Connecting Options and Alternatives

9 one-stop connections are available, with the fastest taking approximately 5 hours via DAL. Nearby alternative airports include Key West (EYW), Miami (MIA) and Miami (OPF).