Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

AIP9921

Operated by Alpine Air Express

Live map

Live map filtered to AIP9921. Shown when the flight is currently airborne.

Route airports View route page →

Departure

CYS KCYS VFR

Cheyenne Regional Jerry Olson Field

Cheyenne, US

Local time
05:13 MDT
Timezone
America/Denver
Type
Medium Airport
Elevation
6,159 ft
Coordinates
41.1557, -104.8120

cloud Weather

Wind
160° / 3 kt
Visibility
10 SM
Ceiling
CLR
Temp / Dew
14°C / 11°C
Altimeter
30.21 inHg

Obs: 2026-08-28T10:53:00.000Z

Raw METAR / TAF 
METAR KCYS 281053Z AUTO 16003KT 10SM CLR 14/11 A3021 RMK AO2 SLP147 T01440106 $

TAF KCYS 280520Z 2806/2906 26004KT P6SM SKC FM280900 23010KT P6SM SKC FM281200 27009KT P6SM FEW130 FM282200 24012G20KT P6SM VCSH SCT130 FM290200 25007KT P6SM BKN120

Arrival

DEN KDEN VFR

Denver International Airport

Denver, US

Local time
05:13 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
230° / 8 kt
Visibility
10 SM
Ceiling
FEW 15,000 ft
Temp / Dew
19°C / 9°C
Altimeter
30.16 inHg

Obs: 2026-08-28T10:53:00.000Z

Raw METAR / TAF 
METAR KDEN 281053Z 23008KT 10SM FEW150 19/09 A3016 RMK AO2 SLP125 T01890089

TAF KDEN 280855Z 2809/2912 18011KT P6SM FEW100 FEW150 FM281100 23011KT P6SM FEW120 FM281600 VRB06KT P6SM FEW120 FM282100 02008KT P6SM FEW100 SCT120 PROB30 2821/2902 VRB15G25KT -SHRA BKN080 FM290200 VRB06KT P6SM SCT120 BKN220 FM290500 22009KT P6SM FEW120 SCT220

flight Live Traffic

flight_takeoff 287 Departures
flight_land 284 Arrivals

Recent history last 21

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-25 A86551 CYS → DEN Jul 25, 21:15 UTCJul 25, 21:25 UTC10m - -
2026-07-24 A864A7 CYS → DEN Jul 24, 23:20 UTCJul 24, 23:40 UTC20m - -
2026-07-17 AC66F6 - Jul 17, 17:05 UTCJul 17, 17:40 UTC35m - -
2026-07-16 A182C3 - Jul 16, 18:25 UTCJul 16, 18:44 UTC20m - -
2026-07-13 A08383 - Jul 13, 18:05 UTCJul 13, 19:40 UTC1h 35m - -
2026-07-13 A1E1A2 - Jul 13, 16:00 UTCJul 13, 17:35 UTC1h 35m - -
2026-07-13 A119CE - Jul 13, 03:10 UTCJul 13, 06:40 UTC3h 30m - -
2026-07-10 A1B05C - Jul 10, 17:15 UTCJul 10, 17:35 UTC20m - -
2026-07-10 A1B05C - Jul 10, 16:10 UTCJul 10, 16:30 UTC20m - -
2026-07-03 A50323 - Jul 3, 17:30 UTCJul 3, 18:05 UTC35m - -
2026-07-01 A182C3 - Jul 1, 23:20 UTCJul 1, 23:35 UTC15m - -
2026-06-30 A24333 - Jun 30, 21:30 UTCJun 30, 22:10 UTC40m - -
2026-06-29 A21ED5 CYS → DEN Jun 29, 11:29 UTCJun 29, 11:55 UTC25m - -
2026-06-24 A113BE CYS → DEN Jun 24, 17:25 UTCJun 24, 17:34 UTC10m - -
2026-06-22 A20E71 CYS → DEN Jun 22, 19:14 UTCJun 22, 21:05 UTC1h 50m - -
2026-06-22 A08383 CYS → DEN Jun 22, 16:50 UTCJun 22, 18:19 UTC1h 30m - -
2026-06-20 A113BE CYS → DEN Jun 20, 03:44 UTCJun 20, 06:05 UTC2h 20m - -
2026-06-06 A20E71 CYS → DEN Jun 6, 15:19 UTCJun 6, 16:10 UTC50m - -
2026-06-03 A48448 CYS → DEN Jun 3, 18:25 UTCJun 3, 19:05 UTC40m - -
2026-06-03 A48448 CYS → DEN Jun 3, 17:40 UTCJun 3, 17:50 UTC10m - -
2026-05-28 A1DCDA CYS → DEN May 28, 16:05 UTCMay 28, 16:25 UTC20m - -

Performance history

Flights tracked
21
Avg arrival delay
-
On-time arrival
-
Aircraft used
15

Monthly activity 3 months

Month Flights tracked
July 2026 11
June 2026 9
May 2026 1

AIP9921 frequently asked

Where does flight AIP9921 fly?
AIP9921 (Alpine Air Express) flies from CYS to DEN. View the full route page.
How long is flight AIP9921?
Based on observed flights, AIP9921 takes on average 53m from takeoff to landing.
How often does AIP9921 fly?
AIP9921 has been observed flying several times a week in our tracking data. We've recorded 21 flights under this callsign.
What aircraft operates flight AIP9921?
AIP9921 has been operated by 15 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track AIP9921 live?
Yes. When AIP9921 is currently airborne, the live tracker map above shows its real-time position from ADS-B broadcasts. If the map is empty, the flight is not currently in the air.