EWR → SDFNew York to Louisville

live

Direct flights from New York (EWR) to Louisville (SDF): 7 nonstop departures observed each week across 1 airline. 86% of the last 28 operated flights arrived within 15 minutes of schedule. The median arrival is 25 minutes early. No cancellations were recorded across the 28 tracked flights. The nonstop covers 1,031 km, an estimated 1 hour 49 minutes in the air. Measured by Pro Flight Search from live flight boards at New York and Louisville. Updated 20 September 2026 at 02:26 UTC.

EWR New York smooth · +0
SDF Louisville smooth · +0
1,031 km · ~1h 49m est.
dep bank 09:59–20:337x weekly
Runs reliable · 1 airline · 7x weekly · nonstop
86% on time

of the last 28 operated EWR → SDF flights arrived within 15 minutes

Median arrival delay is −25 min. 0 of 28 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−25 minacross the last 28 operated legs
Flight time~1h 49mestimated from route distance
Weekly departures7x1 direct airline on the leg
Cancelled0.0%recent route rate · 0 of 28

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
United 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 days
United AirlinesUA86% on time

Flights UA3599 09:59 daily · UA4520 15:00 daily · UA3415 varies daily · UA3609 20:33 daily

History

operated legs · board outcomes
09-19UA3415dep −12 → arr−28
09-19UA3599dep −10 → arr−35
09-19UA3609dep −10 → arr−36
09-19UA4520arrived−6
09-18UA3415dep −10 → arr−37
09-18UA3599dep −2 → arr−26
09-18UA3609dep +82 → arr+51
09-18UA4520dep +5 → arr+1
09-17UA3415dep −5 → arr−25
09-17UA3599dep −10 → arr−32
09-17UA3609dep +16 → arr−21
09-17UA4520dep +2 → arr−17
09-16UA3415dep −4 → arr−29
09-16UA3599dep −7 → arr−26
09-16UA3609dep −5 → arr−26
09-16UA4520dep −6 → arr−14
09-15UA3415dep +32 → arr−23
09-15UA3599dep −5 → arr−20
09-15UA3609dep +22 → arr−26
09-15UA4520dep +94 → arr+52
09-14UA3415dep −6 → arr−39
09-14UA3599dep +37 → arr+13
09-14UA3609dep −10 → arr−47
09-14UA4520dep +97 → arr+76
09-13UA3415dep −4 → arr−34
09-13UA3599dep −9 → arr−13
09-13UA3609dep −4 → arr+28
09-13UA4520dep −2 → arr−27

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
EWRNew York +0 min smooth 🌤 overcast · ESE 8 kt Full EWR delay board →
SDFLouisville +0 min smooth 🌤 clear · SSE 6 kt Full SDF delay board →

Weather lens

Current conditions put the pressure at SDF: 40% odds of a 15+ minute delay and around +8 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the New York to Louisville route actually runs

Pro Flight Search records official board updates for nonstop EWR 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 — New York (EWR) to Louisville (SDF) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/EWR-SDF
How we measure this →

EWR to SDF questions

Is EWR–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 EWR–SDF?

Operators schedule morning departures around 09:59 and evening departures around 20:33 from EWR. 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 EWR to SDF?

Great-circle distance is 1,031 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 103–118 min gate-to-gate on this route.

How often does EWR–SDF fly?

United Airlines runs the route with about 28 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.