Delta Air LinesDL
Flights DL1374 11:04 Fr
live
Direct flights from Louisville (SDF) to Chattanooga (CHA): 2 nonstop departures observed each week across 2 airlines. The median arrival is 62 minutes late. No cancellations were recorded across the 2 tracked flights. The nonstop covers 352 km, an estimated 57 minutes in the air. Measured by Pro Flight Search from live flight boards at Louisville and Chattanooga. Updated 11 September 2026 at 19:03 UTC.
SDF
Louisville
smooth · +13
CHA
Chattanooga
tracking
352 km · ~0h 57m est.
Running clean · 2 airlines · 2x weekly · nonstop
82 / 100
route health from live SDF and CHA delay boards
Median arrival delay is +62 min. 0 of 2 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival+62 minacross the last 2 operated legs
Flight time~0h 57mestimated from route distance
Weekly departures2x2 direct airlines on the leg
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Delta Air LinesSun Country Airlines
Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.
Who flies it
observed on the boards · 7 daysSun Country AirlinesSY
Flights SY8137 18:30 Fr
History
operated legs · board outcomes09-11LXJ387departed+62
Actual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsnext sweep in 120s
How the Louisville to Chattanooga route actually runs
Pro Flight Search records official board updates for nonstop SDF to CHA flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Cite this data
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Suggested citation
Pro Flight Search — Louisville (SDF) to Chattanooga (CHA) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/SDF-CHA
SDF to CHA questions
Is SDF–CHA running on time right now?
Smooth skies ahead. The departure side at SDF is the weaker end, route health score 82/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on SDF–CHA?
Operators schedule morning departures around 11:04 and evening departures around 18:30 from SDF. Earlier flights typically land before destination-airport delays accumulate later in the day; check the CHA delay card to confirm conditions when you'd arrive.
How long is the flight from SDF to CHA?
Great-circle distance is 352 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 55–60 min gate-to-gate on this route.
How often does SDF–CHA fly?
2 carriers operate this route, around 2 flights a week between them. Compare carrier days and times in the airline list above.
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