Schedule: the flights that flew on Tuesday, Oct 20, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
Today
UA 2107 · GTF → DEN
departs 6:16 AM MT · arrives 8:24 AM MT
UA 2107 isn’t flying GTF → DEN today
This listing came from a typical schedule. According to the FAA, UA 2107 flies these legs today: