N7504R is reserved. Fee-paid reservation held by Southwest Airlines Co. — if it isn't renewed, the FAA releases it on Aug 4, 2026 (in about 33 days).
Checked against FAA data from Jul 1, 2026. Not an official FAA determination — always confirm with the FAA before filing.
Reserved by an individual or company; a renewal notice has been sent.
Reservations lapse more often than you'd think. Check back around Aug 4, 2026 — if the holder doesn't renew, it becomes available. See everything scheduled to free up in August 2026.
N7504R has been worn before. Past registrations from FAA deregistration records:
Tails one nudge away from N7504R that aren't assigned or reserved: