Apparatus

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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
08:06 MDT
Timezone
America/Denver
Type
Medium Airport
Elevation
6,159 ft
Coordinates
41.1557, -104.8120

cloud Weather

Wind
0° / 0 kt
Visibility
10 SM
Ceiling
CLR
Temp / Dew
12°C / 1°C
Altimeter
29.89 inHg

Obs: 2026-10-12T13:53:00.000Z

Raw METAR / TAF 
METAR KCYS 121353Z 00000KT 10SM CLR 12/01 A2989 RMK AO2 SLP053 T01220011

TAF KCYS 121123Z 1212/1312 24008KT P6SM FEW090 FEW250 FM121430 26016G30KT P6SM FEW250 FM121700 22013G22KT P6SM SCT070 SCT250 FM130000 04015G25KT P6SM BKN070 OVC110 FM130400 05010KT P6SM VCSH BKN040 OVC050 FM131000 VRB06KT 3SM BR VCFG BKN010

flight Live Traffic

flight_takeoff 2 Departures
flight_land 3 Arrivals

Arrival

DEN KDEN VFR

Denver International Airport

Denver, US

Local time
08:06 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
220° / 7 kt
Visibility
10 SM
Ceiling
FEW 8,000 ft, FEW 12,000 ft
Temp / Dew
16°C / 1°C
Altimeter
29.86 inHg

Obs: 2026-10-12T13:53:00.000Z

Raw METAR / TAF 
METAR KDEN 121353Z 22007KT 10SM FEW080 FEW120 16/01 A2986 RMK AO2 SLP034 T01610006

TAF KDEN 121136Z 1212/1318 20015KT P6SM SKC FM121600 23014G21KT P6SM SKC FM130100 18009KT P6SM SKC FM130500 35010KT P6SM FEW020 SCT040 FM131000 02008KT P6SM BKN020 FM131600 05007KT P6SM FEW020 BKN040

flight Live Traffic

flight_takeoff 233 Departures
flight_land 397 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.