Not currently tracked · last seen Jul 26, 21:30 UTC
- Flights observed
- 89 showing last 50
- Avg flight time
- 1h 30m
- Typical route
- DEN → FSD
- Last seen
- Jul 26, 21:30 UTC
Last known area
Recent flights last 50
| Date | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|
| 2026-07-26 | SMF → SFO | Jul 26, 19:30 UTC | Jul 26, 21:30 UTC | 2h 0m |
| 2026-07-26 | DEN → FSD | Jul 26, 14:45 UTC | Jul 26, 17:10 UTC | 2h 25m |
| 2026-07-26 | DEN → FSD | Jul 26, 14:23 UTC | Jul 26, 17:37 UTC | 3h 14m |
| 2026-07-25 | CAK → ORD | Jul 25, 23:45 UTC | Jul 26, 01:15 UTC | 1h 30m |
| 2026-07-25 | DEN → SLC | Jul 25, 21:45 UTC | Jul 25, 22:45 UTC | 1h 0m |
| 2026-07-25 | IAH → SAF | Jul 25, 17:55 UTC | Jul 25, 19:40 UTC | 1h 45m |
| 2026-07-25 | OKC → IAH | Jul 25, 14:30 UTC | Jul 25, 16:05 UTC | 1h 35m |
| 2026-07-25 | SFO → SNA | Jul 25, 11:30 UTC | Jul 25, 12:25 UTC | 55m |
| 2026-07-24 | ORD → DTW | Jul 24, 23:35 UTC | Jul 25, 00:20 UTC | 45m |
| 2026-07-24 | SAT → IAH | Jul 24, 19:40 UTC | Jul 24, 21:15 UTC | 1h 35m |
| 2026-07-24 | ORD → CMX | Jul 24, 17:10 UTC | Jul 24, 18:25 UTC | 1h 15m |
| 2026-07-24 | LCH → IAH | Jul 24, 13:25 UTC | Jul 24, 15:30 UTC | 2h 5m |
| 2026-07-24 | LCH → IAH | Jul 24, 13:28 UTC | Jul 24, 15:26 UTC | 1h 58m |
| 2026-07-23 | SFO → SEA | Jul 23, 22:50 UTC | Jul 24, 00:40 UTC | 1h 50m |
| 2026-07-23 | SMF → SFO | Jul 23, 19:35 UTC | Jul 23, 21:30 UTC | 1h 55m |
| 2026-07-23 | DEN → FSD | Jul 23, 14:35 UTC | Jul 23, 16:50 UTC | 2h 15m |
| 2026-07-23 | SFO → SNA | Jul 23, 11:25 UTC | Jul 23, 12:20 UTC | 55m |
| 2026-07-23 | SFO → SNA | Jul 23, 11:26 UTC | Jul 23, 12:20 UTC | 54m |
| 2026-07-22 | ORD → DTW | Jul 22, 23:20 UTC | Jul 23, 00:10 UTC | 50m |
| 2026-07-22 | ASE → ORD | Jul 22, 18:55 UTC | Jul 22, 21:00 UTC | 2h 5m |
| 2026-07-22 | RNO → SFO | Jul 22, 15:00 UTC | Jul 22, 16:55 UTC | 1h 55m |
| 2026-07-22 | - | Jul 22, 12:25 UTC | Jul 22, 13:10 UTC | 45m |
| 2026-07-22 | DEN → SHV | Jul 22, 00:10 UTC | Jul 22, 02:00 UTC | 1h 50m |
| 2026-07-21 | PIT → ORD | Jul 21, 21:45 UTC | Jul 21, 22:10 UTC | 25m |
| 2026-07-21 | DEN → GUC | Jul 21, 19:52 UTC | Jul 21, 20:20 UTC | 28m |
| 2026-07-21 | PSC → SFO | Jul 21, 16:35 UTC | Jul 21, 17:50 UTC | 1h 15m |
| 2026-07-21 | PSC → SFO | Jul 21, 16:44 UTC | Jul 21, 17:45 UTC | 1h 1m |
| 2026-07-21 | BHM → ORD | Jul 21, 14:25 UTC | Jul 21, 15:30 UTC | 1h 5m |
| 2026-07-21 | SAN → SFO | Jul 21, 10:55 UTC | Jul 21, 12:45 UTC | 1h 50m |
| 2026-07-21 | ORD → DTW | Jul 21, 03:10 UTC | Jul 21, 04:45 UTC | 1h 35m |
| 2026-07-20 | GRB → ORD | Jul 20, 22:30 UTC | Jul 21, 00:05 UTC | 1h 35m |
| 2026-07-20 | DEN → XNA | Jul 20, 19:50 UTC | Jul 20, 21:20 UTC | 1h 30m |
| 2026-07-20 | - | Jul 20, 16:55 UTC | Jul 20, 18:30 UTC | 1h 35m |
| 2026-07-20 | - | Jul 20, 01:20 UTC | Jul 20, 04:35 UTC | 3h 15m |
| 2026-07-19 | - | Jul 19, 22:45 UTC | Jul 19, 23:55 UTC | 1h 10m |
| 2026-07-19 | ORD → CVG | Jul 19, 20:54 UTC | Jul 19, 21:30 UTC | 36m |
| 2026-07-19 | ORD → CVG | Jul 19, 20:50 UTC | Jul 19, 21:20 UTC | 30m |
| 2026-07-19 | - | Jul 19, 15:45 UTC | Jul 19, 18:15 UTC | 2h 30m |
| 2026-07-19 | EUG → SFO | Jul 19, 01:24 UTC | Jul 19, 03:38 UTC | 2h 14m |
| 2026-07-19 | EUG → SFO | Jul 19, 01:10 UTC | Jul 19, 03:20 UTC | 2h 10m |
| 2026-07-18 | - | Jul 18, 21:00 UTC | Jul 18, 23:25 UTC | 2h 25m |
| 2026-07-18 | - | Jul 18, 16:10 UTC | Jul 18, 18:25 UTC | 2h 15m |
| 2026-07-18 | IAH → ASE | Jul 18, 16:05 UTC | Jul 18, 18:41 UTC | 2h 36m |
| 2026-07-18 | - | Jul 18, 12:55 UTC | Jul 18, 13:35 UTC | 40m |
| 2026-07-18 | SHV → IAH | Jul 18, 12:59 UTC | Jul 18, 13:36 UTC | 37m |
| 2026-07-18 | DEN → SHV | Jul 18, 00:04 UTC | Jul 18, 01:54 UTC | 1h 50m |
| 2026-07-17 | PIT → ORD | Jul 17, 22:00 UTC | Jul 17, 22:45 UTC | 45m |
| 2026-07-17 | PIT → ORD | Jul 17, 22:07 UTC | Jul 17, 22:43 UTC | 36m |
| 2026-07-17 | - | Jul 17, 19:55 UTC | Jul 17, 20:20 UTC | 25m |
| 2026-07-17 | PSC → SFO | Jul 17, 16:40 UTC | Jul 17, 17:44 UTC | 1h 5m |
Specifications
| Registration | N639SY |
| Operator | SKYWEST AIRLINES INC |
| Mode-S code | A860D2 · 52060322 (octal) |
Looking for transponder-level data? View the Mode-S A860D2 page for country allocation, callsign history, and ADS-B signal details.
N639SY frequently asked
Who operates N639SY?
N639SY is operated by SKYWEST AIRLINES INC.
What is the Mode-S transponder code for N639SY?
N639SY broadcasts on Mode-S (ICAO 24-bit) address A860D2 (octal 52060322). View the transponder page.
What route does N639SY typically fly?
N639SY most frequently flies between DEN and FSD based on observed flights.
Where is N639SY right now?
N639SY is not currently being tracked; last seen Jul 26, 21:30 UTC.