Just launched: The brand new Plane Finder API
Explore Now
  1. Flight Tracker Map
  2. Aviation Data
  3. Flights
  4. AIP9921
  5. History
Download Plane Finder on the Apple App Store Download Plane Finder on the Google Play Store
AIP

Flight AIP9921

Past Flights

Date Departed From To Arrived Aircraft Reg
3 Jun 2026
12:25 MDT
United States Billings BIL
United States Cheyenne CYS
13:03 MDT
 BE99 N390RH Play
28 May 2026
10:05 MDT
United States Cheyenne CYS
United States Denver DEN
10:28 MDT
 B190 N219VP Play

Download our free app

Build with our flight data

Explore Plane Finder API