USA Jet AirlinesUJ
Flights UJ325 10:00 Tu
live
Direct flights from San Antonio (SAT) to Louisville (SDF): 1 nonstop departure observed each week across 1 airline. The median arrival is 90 minutes late. No cancellations were recorded across the 1 tracked flight. The nonstop covers 1,516 km, an estimated 2 hours 27 minutes in the air. Measured by Pro Flight Search from live flight boards at San Antonio and Louisville. Updated 4 November 2026 at 03:03 UTC.
SAT
San Antonio
smooth · +0
SDF
Louisville
smooth · +0
1,516 km · ~2h 27m est.
Running clean · 1 airline · 1x weekly · nonstop
100 / 100
route health from live SAT and SDF delay boards
Median arrival delay is +90 min. 0 of 1 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival+90 minacross the last 1 arrival
Flight time~2h 27mestimated from route distance
Weekly departures1x1 direct airline on the leg
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
USA Jet 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 daysHistory
operated legs · board outcomesActual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather lens
Conditions are tightest at SDF: a 34% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +4 min. Both figures come from the two airports' delay records in similar weather. See live delays → · Weather risk by airport →
next sweep in 120s
How the San Antonio to Louisville route actually runs
Pro Flight Search records official board updates for nonstop SAT to SDF 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: San Antonio (SAT) to Louisville (SDF) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/SAT-SDF
SAT to SDF questions
Is SAT–SDF running on time right now?
Smooth skies ahead. Both endpoints currently score the same, route health score 100/100. The airports section above carries the live status and delay window at both ends.
How long is the flight from SAT to SDF?
Great-circle distance is 1,516 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 137–160 min gate-to-gate on this route.
How often does SAT–SDF fly?
USA Jet Airlines runs the route with about 1 flight a week (tue). Since one carrier owns the route, a single disruption tends to ripple through the day.
What does the route health score measure?
A blend of departure-side delay at SAT and arrival-side delay at SDF, computed from rolling delay windows (refreshed every 40 minutes) with a daily-rollup fallback. Current MVFR, IFR, or LIFR endpoint weather caps the score when flight rules can limit throughput. Higher is healthier: 100 means operations are clean at both ends.
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