--- title: "Gulf Shores to Louisville flights: who flies GUF-SDF" description: "Allegiant Air flies nonstop from GUF to SDF, about 2 flights a week, covering 563 miles. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/guf-sdf" url: "https://2lnr.com/routes/guf-sdf.md" date_modified: "2026-08-16T05:34:55Z" --- # Gulf Shores to Louisville (GUF-SDF): nonstop flights and who flies them Allegiant Air flies nonstop from Gulf Shores (GUF) to Louisville (SDF) just twice a week. With so few departures, each one carries the only premium seats on the route that day. Allegiant Air fly the route nonstop in 2LNR's schedule data; the timetable and the reverse direction are below. Schedule last confirmed August 16, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated August 16, 2026. [See GUF to SDF on the interactive map](https://2lnr.com/explore/routes?origin=GUF&destination=SDF) [Get started free](https://2lnr.com/login) 2 Nonstop flights a week 563 mi Nonstop distance Free To get started ## Gulf Shores to Louisville flight schedule We last checked the GUF to SDF schedule with our schedule feed on August 16, 2026. A copy of this page can stay in use for a few days after it is built, and by then that check would be more than 14 days old, so this page is not publishing departure times for it. The frequency figures above come from that same schedule. [See every GUF to SDF date on the interactive map](https://2lnr.com/explore/routes?origin=GUF&destination=SDF) ## The full GUF to SDF nonstop schedule Allegiant Air fly the route nonstop in 2LNR's schedule data. This page carries the full GUF to SDF nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below. ### See real availability Confirmed upgrade and award seats on each GUF to SDF departure, checked against live inventory so you know what is open before you book. ### Set an alert Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking. ### Plan on the map See GUF to SDF on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Gulf Shores to Louisville nonstop Carriers operating GUF to SDF nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them. - [Allegiant Air (G4) route map](https://2lnr.com/routes/airlines/g4.md) [See GUF to SDF on the interactive map →](https://2lnr.com/explore/routes?origin=GUF&destination=SDF) ## Frequently asked questions about GUF to SDF **How far is Louisville from Gulf Shores?** GUF to SDF covers about 563 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 GUF to SDF?** Allegiant Air is currently the only airline flying GUF to SDF nonstop. None of them is a carrier 2LNR reads inventory for, so this page carries the GUF to SDF schedule rather than a space claim. **How often does GUF to SDF operate?** The nonstop currently runs twice a week, on Allegiant Air. Thin schedules like this change by season, and an alert will catch anything added. **Does 2LNR show upgrade or award space on GUF to SDF?** Not on this route: none of Allegiant Air is a carrier 2LNR reads inventory for. The page carries the full GUF to SDF nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [SDF to GUF nonstop flights](https://2lnr.com/routes/sdf-guf.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from Gulf Shores (GUF)](https://2lnr.com/routes/guf.md), or [every route from Louisville (SDF)](https://2lnr.com/routes/sdf.md). - [How to plan an upgrade by route](https://2lnr.com/guides/upgrade-strategy.md) ## See the full GUF to SDF nonstop schedule Every scheduled departure on this route, with who flies it. On the routes 2LNR does read inventory for, upgrade and award space shows by date, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)