Tracked live by the FAA. The scheduled times shown are from a typical Wednesday because the FAA's flight plan was first seen after takeoff.

FRONTIER · FLIGHT F9 1449 LANDED 7:27 AM MT, ~89 MIN EARLY

Wednesday, September 30 Yesterday

F9 1449 · ATL → DEN

took off 6:44 AM ET · landed 7:27 AM MT (scheduled 7:40 AM ET → 9:03 AM MT)

Forecast issued Wed 10:00 PM ET · 14h after departure

F9 1449 isn’t flying ATL → DEN on Wed, Sep 30

This listing came from a typical schedule. According to the FAA, F9 1449 flies these legs that day: