flight Aircraft

N121SY

EMBRAER ERJ-170-200 (long wing)

Operated by SKYWEST AIRLINES INC

Tail number
N121SY
Type
E75L
Mode-S
A05910
Not currently tracked · last seen 9h ago
Flights observed
287 showing last 50
Avg flight time
1h 21m
Typical route
ORD → DTW
Last seen
9h ago

Last known area

Map centered near N121SY's most recent activity.

Recent flights last 50

DateRouteTakeoffLandingDuration
2026-05-29 SFO → ONT May 29, 22:40 UTCMay 30, 00:40 UTC2h 0m
2026-05-29 FWA → ORD May 29, 19:50 UTCMay 29, 21:50 UTC2h 0m
2026-05-29 ASE → IAH May 29, 16:15 UTCMay 29, 17:50 UTC1h 35m
2026-05-29 TUS → DEN May 29, 14:00 UTCMay 29, 15:05 UTC1h 5m
2026-05-29 SAN → SFO May 29, 11:15 UTCMay 29, 12:55 UTC1h 40m
2026-05-29 ORD → DTW May 29, 03:00 UTCMay 29, 04:35 UTC1h 35m
2026-05-29 ORD → DTW May 29, 02:53 UTCMay 29, 04:32 UTC1h 39m
2026-05-28 TUL → ORD May 28, 22:55 UTCMay 29, 01:00 UTC2h 5m
2026-05-28 ONT → SFO May 28, 19:40 UTCMay 28, 21:30 UTC1h 50m
2026-05-28 DCA → ORD May 28, 17:00 UTCMay 28, 18:25 UTC1h 25m
2026-05-28 ORD → TUL May 28, 14:10 UTCMay 28, 15:35 UTC1h 25m
2026-05-28 ORD → TUL May 28, 14:16 UTCMay 28, 15:27 UTC1h 11m
2026-05-28 DEN → FAR May 28, 11:15 UTCMay 28, 12:20 UTC1h 5m
2026-05-28 ORD → DTW May 28, 00:02 UTCMay 28, 00:37 UTC35m
2026-05-27 ORD → DTW May 27, 23:50 UTCMay 28, 00:40 UTC50m
2026-05-27 HPN → ORD May 27, 19:50 UTCMay 27, 21:10 UTC1h 20m
2026-05-27 DEN → MRY May 27, 17:30 UTCMay 27, 18:40 UTC1h 10m
2026-05-27 DEN → MRY May 27, 17:32 UTCMay 27, 18:36 UTC1h 4m
2026-05-27 SBA → SFO May 27, 14:55 UTCMay 27, 16:10 UTC1h 15m
2026-05-26 SUN → SFO May 26, 23:39 UTCMay 27, 00:25 UTC45m
2026-05-26 SBA → SFO May 26, 20:50 UTCMay 26, 22:09 UTC1h 20m
2026-05-26 FAR → DEN May 26, 18:10 UTCMay 26, 19:30 UTC1h 20m
2026-05-26 SFO → ONT May 26, 15:05 UTCMay 26, 16:20 UTC1h 15m
2026-05-26 LGA → IAH May 26, 12:50 UTCMay 26, 13:50 UTC1h 0m
2026-05-26 SFO → SAT May 26, 10:14 UTCMay 26, 11:15 UTC1h 0m
2026-05-25 HPN → ORD May 25, 23:24 UTCMay 26, 00:24 UTC1h 0m
2026-05-25 SBA → SFO May 25, 21:09 UTCMay 25, 22:25 UTC1h 15m
2026-05-25 SBA → SFO May 25, 20:48 UTCMay 25, 22:24 UTC1h 36m
2026-05-25 FAR → DEN May 25, 18:10 UTCMay 25, 19:30 UTC1h 19m
2026-05-25 BOI → SFO May 25, 15:50 UTCMay 25, 16:20 UTC30m
2026-05-25 TYS → DEN May 25, 14:16 UTCMay 25, 14:36 UTC20m
2026-05-25 TYS → DEN May 25, 14:10 UTCMay 25, 14:40 UTC30m
2026-05-25 BHM → ORD May 25, 10:20 UTCMay 25, 13:00 UTC2h 40m
2026-05-24 HPN → ORD May 24, 19:50 UTCMay 24, 21:35 UTC1h 45m
2026-05-24 HPN → ORD May 24, 19:48 UTCMay 24, 21:17 UTC1h 29m
2026-05-24 DEN → MRY May 24, 17:35 UTCMay 24, 18:35 UTC1h 0m
2026-05-24 DEN → MRY May 24, 17:32 UTCMay 24, 18:34 UTC1h 2m
2026-05-24 SFO → SAT May 24, 13:25 UTCMay 24, 16:05 UTC2h 40m
2026-05-24 ORD → CVG May 24, 02:50 UTCMay 24, 04:45 UTC1h 55m
2026-05-24 ORD → CVG May 24, 02:48 UTCMay 24, 04:46 UTC1h 58m
2026-05-24 ORD → GSP May 24, 00:15 UTCMay 24, 01:40 UTC1h 25m
2026-05-23 DEN → LIT May 23, 19:40 UTCMay 23, 21:10 UTC1h 30m
2026-05-23 RNO → SFO May 23, 17:05 UTCMay 23, 18:10 UTC1h 5m
2026-05-23 LGA → ORD May 23, 14:10 UTCMay 23, 15:20 UTC1h 10m
2026-05-23 LGA → ORD May 23, 14:14 UTCMay 23, 15:20 UTC1h 6m
2026-05-23 FCA → DEN May 23, 11:05 UTCMay 23, 12:30 UTC1h 25m
2026-05-22 SFO → BOI May 22, 04:25 UTCMay 22, 05:40 UTC1h 15m
2026-05-22 SBP → SFO May 22, 02:20 UTCMay 22, 03:35 UTC1h 15m
2026-05-22 SBP → SFO May 22, 02:07 UTCMay 22, 03:27 UTC1h 20m
2026-05-21 SFO → STS May 21, 23:25 UTCMay 22, 00:30 UTC1h 5m

Specifications

Registration N121SY
Aircraft type EMBRAER ERJ-170-200 (long wing) (E75L)
Operator SKYWEST AIRLINES INC
Mode-S code A05910 · 50054420 (octal)

Looking for transponder-level data? View the Mode-S A05910 page for country allocation, callsign history, and ADS-B signal details.

N121SY frequently asked

What type of aircraft is N121SY?
N121SY is a EMBRAER ERJ-170-200 (long wing) (ICAO type code E75L).
Who operates N121SY?
N121SY is operated by SKYWEST AIRLINES INC.
What is the Mode-S transponder code for N121SY?
N121SY broadcasts on Mode-S (ICAO 24-bit) address A05910 (octal 50054420). View the transponder page.
What route does N121SY typically fly?
N121SY most frequently flies between ORD and DTW based on observed flights.
Where is N121SY right now?
N121SY is not currently being tracked; last seen 9h ago.