--- title: "Austin (AUS) to Louisville (SDF) flights: who flies it" description: "American Airlines and Delta Air Lines fly nonstop from AUS to SDF, about 2 flights a week, covering 876 miles. Upgrade and award space by date on 2LNR, next 14 days free." canonical: "https://2lnr.com/routes/aus-sdf" url: "https://2lnr.com/routes/aus-sdf.md" date_modified: "2026-07-26T05:10:24Z" --- # Austin to Louisville (AUS-SDF): nonstop upgrade & award space American Airlines and Delta Air Lines fly nonstop from Austin (AUS) to Louisville (SDF) just twice a week. With so few departures, each one carries the only premium seats on the route that day. 2LNR checks confirmed upgrade and award space on American Airlines and Delta Air Lines flights on this route, so you can see which departures have space before you book. Schedule last confirmed July 26, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 24, 2026. See AUS to SDF on the interactive map [Get started free](https://2lnr.com/login) 2 Flights a week, 4-week average 876 mi Nonstop distance Free To get started ## Austin to Louisville flight schedule We last checked the AUS to SDF schedule against our schedule feed on July 26, 2026. A copy of this page can stay in use for a few days after it's built, and by then that check would be more than 14 days old, so we aren't publishing departure times. The frequency figures above come from that same schedule. See every AUS to SDF date on the interactive map ## Confirmed upgrade & award space on AUS to SDF departures 2LNR tracks confirmed upgrade and award space on American Airlines and Delta Air Lines, segment by segment and date by date. Open the calendar for Austin to Louisville to see which departures have space, the next 14 days free on every product and the full horizon on Pro. ### See real availability Confirmed upgrade or award seats by date on the AUS to SDF departures 2LNR tracks, checked against live inventory so you know what's open before you book. ### Set an alert Premium inventory turns over fast. Watch this route on Pro and 2LNR notifies you when space appears on a date you're tracking. ### Plan on the map See AUS to SDF on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Austin to Louisville nonstop Carriers operating AUS to SDF nonstop in the current schedule. Where 2LNR tracks the carrier, its departures show confirmed upgrade or award space by date. - [American Airlines (AA) route map](https://2lnr.com/routes/airlines/aa.md)\ [The aircraft AA flies](https://2lnr.com/seatmaps/aa.md) - [Delta Air Lines (DL) route map](https://2lnr.com/routes/airlines/dl.md)\ [The aircraft DL flies](https://2lnr.com/seatmaps/dl.md) See AUS to SDF on the interactive map → ## Frequently asked questions about AUS to SDF **How far is Louisville from Austin?** AUS to SDF covers about 876 miles nonstop. Flight times vary by aircraft and season; the interactive route map lists each scheduled departure with its own times. **Which airlines fly nonstop from AUS to SDF?** American Airlines and Delta Air Lines fly AUS to SDF nonstop. 2LNR tracks confirmed upgrade and award space on American Airlines and Delta Air Lines. **How often does AUS to SDF operate?** The AUS to SDF nonstop currently runs twice a week. Thin schedules like this change by season, and on Pro an alert will catch anything added. **How do I check upgrade or award availability on AUS to SDF?** Open the AUS to SDF route on the interactive map or the matrix to see confirmed upgrade and award space by date on American Airlines and Delta Air Lines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens. Flying the other way? See [SDF to AUS upgrade and award space](https://2lnr.com/routes/sdf-aus.md). Award seats rather than schedules? See [American Airlines award availability](https://2lnr.com/awards/aa.md) or [Delta Air Lines award availability](https://2lnr.com/awards/dl.md). Looking beyond this route? See [every route from Austin (AUS)](https://2lnr.com/routes/aus.md), or [every route from Louisville (SDF)](https://2lnr.com/routes/sdf.md). Nonstops to Louisville (SDF) from other airports within 150 miles of Austin (AUS): - [Houston (IAH) to Louisville (SDF)](https://2lnr.com/routes/iah-sdf.md), 140 miles from AUS Nonstops from Austin (AUS) to other airports within 150 miles of Louisville (SDF): - [Austin (AUS) to Lexington (LEX)](https://2lnr.com/routes/aus-lex.md), 62 miles from SDF - [Austin (AUS) to Cincinnati (CVG)](https://2lnr.com/routes/aus-cvg.md), 84 miles from SDF - [Austin (AUS) to Indianapolis (IND)](https://2lnr.com/routes/aus-ind.md), 111 miles from SDF Distances are great-circle between the airports, not driving distance. - [How American upgrades clear](https://2lnr.com/about/aa/upgrades.md) - [How to read award availability by date](https://2lnr.com/guides/award-availability.md) ## Never miss AUS to SDF upgrade or award space See what's open by date on this route, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)