Route guide

Louisville to Philadelphia (SDF-PHL): Nonstop Upgrade & Award Space

American Airlines and Alaska Airlines, Inc. fly nonstop between Louisville (SDF) and Philadelphia (PHL), roughly 23 times a week. Because so many carriers compete on this route, premium seats turn over daily, and upgrade or award space can open and close within hours. 2LNR tracks confirmed availability on every SDF to PHL departure, so you know which flights have space before you book.

Data current as of July 21, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.

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23
Nonstop flights a week
575 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every SDF to PHL departure

2LNR tracks confirmed upgrade and award availability on American, Delta, and Alaska and across 30 airlines, segment by segment, date by date. Open the calendar for Louisville to Philadelphia to see which departures have real space, or watch the route and get alerted when space opens.

See real availability

Confirmed upgrade and award seats on each SDF to PHL 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 SDF to PHL on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Louisville to Philadelphia nonstop

Carriers operating SDF to PHL nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

  • American Airlines
  • Alaska Airlines, Inc.
See SDF to PHL on the interactive map →

Frequently asked questions about SDF to PHL

How far is Philadelphia from Louisville?
SDF to PHL covers about 575 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from SDF to PHL?
American Airlines and Alaska Airlines, Inc. fly the route nonstop. 2LNR tracks confirmed upgrade and award space on both of them.
How many flights a week are there from SDF to PHL?
About 23 nonstop flights a week run between Louisville and Philadelphia in the current schedule, operated by American Airlines and Alaska Airlines, Inc.. Frequency shifts by season; the calendar on this page reflects what's currently scheduled.
How do I check upgrade or award availability on SDF to PHL?
Open the SDF to PHL calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Louisville to Philadelphia route, and 2LNR will notify you when space opens. It's free to start.

Never miss SDF to PHL upgrade or award space

Track confirmed availability, set alerts, and book with confidence. Free to start, no credit card required.

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