YAFT.LIVE

SKY521

HND → OKA · Boeing 737-800 · Skymark Airlines

Flight

Status
Completed (landing presumed)
Arrival confirmed via
Inferred (no confirmation)
Departure
Tokyo Haneda International Airport (HND) — Ota, Tokyo, Japan
Departed
2026-10-03 09:40 UTC (first seen)
Arrival
Naha Airport (OKA) — Naha, Japan
Distance flown
603 km
Straight-line distance
1554 km
Approach distance
67 km

Aircraft

Registration
JA737Q
Type
Boeing 737-800
Seats
177 total (177 Economy)

Altitude & speed

Max altitude
40,000 ft
Max ground speed
449 kt
Tracked
50m · 602 km
Altitude (ft, max 40,000)
021,60043,2000m30m
Ground speed (kt, max 449)
02424850m30m
Altitude (ft, max 40,000)
021,60043,2000m
Ground speed (kt, max 449)
02424850m

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airline

Skymark Airlines (SKY)

Latest flights

DepartedFlightRouteRegAircraftStatusDistance
2026-10-04 08:09 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA73NQ Boeing 737-800 In progress ~1554 km est.
2026-10-03 09:40 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA737Q Boeing 737-800 Completed (landing presumed) 603 km
2026-10-03 08:05 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA737Q Boeing 737-800 Completed (landing confirmed by airport data) ~1642 km est. (771 km recorded)
2026-10-02 08:19 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA73NR Boeing 737-800 Completed (landing presumed) 1638 km
2026-10-01 08:23 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA73NU Boeing 737-800 Incomplete (signal lost) 1636 km
2026-09-30 08:24 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA73NA Boeing 737-800 Completed (landing presumed) 1633 km
2026-09-29 08:27 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA73ND Boeing 737-800 Completed (landing presumed) 1655 km
2026-09-28 09:59 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA737N Boeing 737-800 Incomplete (signal lost) 1631 km
2026-09-27 08:18 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA73NX Boeing 737-800 Completed (landing presumed) 1658 km
2026-09-26 08:16 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA737R Boeing 737-800 Incomplete (signal lost) 1645 km
2026-09-25 08:07 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA73NL Boeing 737-800 Completed (landing presumed) 1647 km
2026-09-24 08:10 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA73NJ Boeing 737-800 Completed (landing presumed) 1641 km
2026-09-23 08:48 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA73NR Boeing 737-800 Completed (landing presumed) 1638 km
2026-09-22 08:07 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA737Y Boeing 737-800 Incomplete (signal lost) 1622 km
2026-09-20 08:11 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA73AC Boeing 737-800 Completed (landing presumed) 1694 km
2026-09-19 08:09 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA737Z Boeing 737-800 Incomplete (signal lost) 1666 km
2026-09-18 08:28 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA73NM Boeing 737-800 Completed (landing presumed) 1687 km
2026-09-17 08:07 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA73NA Boeing 737-800 Completed 1696 km
2026-09-16 08:18 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA73NX Boeing 737-800 Completed (landing presumed) 1696 km
2026-09-15 08:05 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA73NU Boeing 737-800 Incomplete (signal lost) 1682 km
2026-09-14 08:19 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA737Y Boeing 737-800 Incomplete (signal lost) 1678 km
2026-09-13 08:04 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA73NJ Boeing 737-800 Incomplete (signal lost) 1654 km
2026-09-12 08:28 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA73ND Boeing 737-800 Completed 1691 km
2026-09-11 08:10 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA73NN Boeing 737-800 Completed (landing presumed) 1692 km
2026-09-10 08:11 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA737T Boeing 737-800 Incomplete (signal lost) 1750 km
2026-09-09 08:25 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA73AA Boeing 737-800 Completed 1712 km
2026-09-08 08:28 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA73NM Boeing 737-800 Completed 1715 km
2026-09-07 08:33 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA737Z Boeing 737-800 Completed (landing presumed) 1709 km
2026-09-06 08:29 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA737X Boeing 737-800 Completed 1658 km
2026-09-05 08:04 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA73NL Boeing 737-800 Completed 1721 km
2026-09-04 07:53 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA737U Boeing 737-800 Completed 1696 km
2026-09-03 08:22 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA73NK Boeing 737-800 Completed 1705 km
2026-09-02 08:06 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA73NR Boeing 737-800 Completed 1666 km
2026-09-01 08:23 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA737R Boeing 737-800 Completed 1714 km
2026-08-31 08:09 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA73NL Boeing 737-800 Completed 1686 km
2026-08-30 08:06 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA73NM Boeing 737-800 Completed 1648 km
2026-08-29 08:05 UTC SKY521 HND → DNA
Ota, Tokyo → ?
 JA73ND Boeing 737-800 Completed 1775 km
2026-08-28 07:54 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA73NC Boeing 737-800 Completed 1649 km
2026-08-27 09:09 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA73NG Boeing 737-800 Completed 1660 km
2026-08-26 08:09 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA737T Boeing 737-800 Completed 1640 km
2026-08-24 08:11 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA73NP Boeing 737-800 Completed 1694 km
2026-08-23 08:08 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA73NJ Boeing 737-800 Completed 2023 km
2026-08-22 10:23 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA73NE Boeing 737-800 Completed 2017 km
2026-08-21 08:25 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA737Y Boeing 737-800 Completed 2103 km
2026-08-20 08:31 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA73AA Boeing 737-800 Completed 2161 km
2026-08-19 08:11 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA73NN Boeing 737-800 Completed 2269 km
2026-08-16 07:44 UTC SKY521 HND → OKA
Ota, Tokyo → Naha
 JA73NT Boeing 737-800 Completed ~3277 km est. (2102 km recorded)
2026-08-10 23:21 UTC SKY521 FUK → HND
Fukuoka → Ota, Tokyo
 JA737Y Boeing 737-800 Completed 1122 km

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