Mesa AirlinesYV
Flights YV4050 varies Mo Tu
live
Direct flights from Houston (IAH) to Louisville (SDF): 28 nonstop departures observed each week across 2 airlines. The median arrival is 188 minutes late. No cancellations were recorded across the 5 tracked flights. The nonstop covers 1,268 km, an estimated 2 hours 8 minutes in the air. Measured by Pro Flight Search from live flight boards at Houston and Louisville. Updated 29 October 2026 at 16:23 UTC.
Today, IAH → SDF
Thu 29 Oct · local times- 07:00 M65771 Sched 07:00Departure not confirmed by the board ·
- 10:00 UA3990United Left 09:56 SDF 13:23In the air · scheduled landing
- 17:10 UA4050United On scheduleGate A1 · TC ·
- 18:33 UA4052United On scheduleGate B54 · TC ·
- 20:30 M6773 On schedule ·
Checked IAH board 11:23 · SDF board 10:03
IAH
Houston
smooth · +0
SDF
Louisville
smooth · +0
1,268 km · ~2h 08m est.
Running clean · 2 airlines · 28x weekly · nonstop
100 / 100
route health from live IAH and SDF delay boards
Median arrival delay is +188 min. 0 of 5 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival+188 minacross the last 2 arrivals
Flight time~2h 08mestimated from route distance
Weekly departures28x2 direct airlines on the leg
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Mesa AirlinesUnited 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 33% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +6 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 Houston to Louisville route actually runs
Pro Flight Search records official board updates for nonstop IAH 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: Houston (IAH) to Louisville (SDF) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/IAH-SDF
IAH to SDF questions
Is IAH–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.
Morning or evening flight on IAH–SDF?
Operators schedule morning departures around 09:47 and evening departures around 17:10 from IAH. Earlier flights typically land before destination-airport delays accumulate later in the day; check the SDF delay card to confirm conditions when you'd arrive.
How long is the flight from IAH to SDF?
Great-circle distance is 1,268 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 120–139 min gate-to-gate on this route.
How often does IAH–SDF fly?
2 carriers operate this route, around 28 flights a week between them. Compare carrier days and times in the airline list above.
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