Hokkaido Air System

ICAO: NTH Active as of Feb 9, 2026

18

Active Routes

619

Flight Observations

9

Unique Destinations

9

Origin Airports

148

Avg Route Distance (mi)

250

Longest Route (mi)

0

Domestic Routes

18

International Routes

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Route Network Map

Click on any airport to see its routes

Most Popular Routes

HKD → OKD
Hakodate Airport → Okadama (Sapporo Airfield)
97 miles
166 flights
AT43
KUH → OKD
Kushiro Airport → Okadama (Sapporo Airfield)
142 miles
146 flights
AT43
57 flights
AT43
HKD → OIR
Hakodate Airport → Okushiri
74 miles
36 flights
AT43
35 flights
AT43
MMB → OKD
Memanbetsu Airport → Okadama (Sapporo Airfield)
149 miles
27 flights
AT43
OKD → SHB
Sapporo Okadama Airport → Nakashibetsu
183 miles
25 flights
AT43
23 flights
AT43
RIS → OKD
Rishiri Airport → Okadama (Sapporo Airfield)
147 miles
21 flights
AT43
19 flights
AT43

Top Destinations

OKD (RJCO)
Okadama (Sapporo Airfield)
Sapporo
395 flights
8 routes
HKD (RJCH)
Hakodate
Hakodate
59 flights
2 routes
OIR (RJEO)
Okushiri
Okushiri
39 flights
2 routes
KUH (RJCK)
Kushiro
Kushiro
35 flights
1 route
SHB (RJCN)
Nakashibetsu
Nakashibetsu
25 flights
1 route
MMB (RJCM)
Memanbetsu
Ozora
23 flights
1 route
AXT (RJSK)
Akita
Akita
19 flights
1 route
RIS (RJER)
Rishiri
Rishirifuji
16 flights
1 route
MSJ (RJSM)
Misawa Air Base / Misawa
Misawa
8 flights
1 route

Top Origin Airports

HKD (RJCH)
Hakodate Airport
Hakodate
202 flights
2 routes
OKD (RJCO)
Sapporo Okadama Airport
Sapporo
186 flights
8 routes
KUH (RJCK)
Kushiro Airport
Kushiro
146 flights
1 route
MMB (RJCM)
Memanbetsu Airport
Ōzora
27 flights
1 route
RIS (RJER)
Rishiri Airport
Rishiri
21 flights
1 route
MSJ (RJSM)
Misawa Airport / Misawa Air Base
Misawa
15 flights
1 route
SHB (RJCN)
Nakashibetsu Airport
Nakashibetsu
12 flights
1 route
AXT (RJSK)
Akita Airport
Akita
6 flights
1 route
OIR (RJEO)
Okushiri Airport
Okushiri Island
4 flights
2 routes

Aircraft Types

AT43
18 routes

Longest Routes

OKD → AXT
Sapporo Okadama Airport → Akita
250 mi
AXT → OKD
Akita Airport → Okadama (Sapporo Airfield)
250 mi
OKD → SHB
Sapporo Okadama Airport → Nakashibetsu
183 mi
SHB → OKD
Nakashibetsu Airport → Okadama (Sapporo Airfield)
183 mi
MSJ → OKD
Misawa Airport / Misawa Air Base → Okadama (Sapporo Airfield)
167 mi

Shortest Routes

HKD → OIR
Hakodate Airport → Okushiri
74 mi
OIR → HKD
Okushiri Airport → Hakodate
74 mi
OKD → HKD
Sapporo Okadama Airport → Hakodate
97 mi
HKD → OKD
Hakodate Airport → Okadama (Sapporo Airfield)
97 mi
OKD → OIR
Sapporo Okadama Airport → Okushiri
123 mi

All Routes

18 Total Routes
Showing 18 most popular routes
Route Destination Flights Distance Aircraft Last Seen
HKD → OKD
Hakodate Airport
Okadama (Sapporo Airfield)
Sapporo
 166 97 mi AT43 Feb 8, 2026
KUH → OKD
Kushiro Airport
Okadama (Sapporo Airfield)
Sapporo
 146 142 mi AT43 Feb 9, 2026
OKD → HKD
Sapporo Okadama Airport
Hakodate
Hakodate
 57 97 mi AT43 Feb 3, 2026
HKD → OIR
Hakodate Airport
Okushiri
Okushiri
 36 74 mi AT43 Feb 8, 2026
OKD → KUH
Sapporo Okadama Airport
Kushiro
Kushiro
 35 142 mi AT43 Feb 3, 2026
MMB → OKD
Memanbetsu Airport
Okadama (Sapporo Airfield)
Sapporo
 27 149 mi AT43 Feb 8, 2026
OKD → SHB
Sapporo Okadama Airport
Nakashibetsu
Nakashibetsu
 25 183 mi AT43 Feb 3, 2026
OKD → MMB
Sapporo Okadama Airport
Memanbetsu
Ozora
 23 149 mi AT43 Feb 3, 2026
RIS → OKD
Rishiri Airport
Okadama (Sapporo Airfield)
Sapporo
 21 147 mi AT43 Jan 25, 2026
OKD → AXT
Sapporo Okadama Airport
Akita
Akita
 19 250 mi AT43 Feb 3, 2026
OKD → RIS
Sapporo Okadama Airport
Rishiri
Rishirifuji
 16 147 mi AT43 Feb 3, 2026
MSJ → OKD
Misawa Airport / Misawa Air Base
Okadama (Sapporo Airfield)
Sapporo
 15 167 mi AT43 Feb 8, 2026
SHB → OKD
Nakashibetsu Airport
Okadama (Sapporo Airfield)
Sapporo
 12 183 mi AT43 Dec 3, 2025
OKD → MSJ
Sapporo Okadama Airport
Misawa Air Base / Misawa
Misawa
 8 167 mi AT43 Feb 3, 2026
AXT → OKD
Akita Airport
Okadama (Sapporo Airfield)
Sapporo
 6 250 mi AT43 Sep 19, 2025
OKD → OIR
Sapporo Okadama Airport
Okushiri
Okushiri
 3 123 mi AT43 Nov 30, 2025
OIR → HKD
Okushiri Airport
Hakodate
Hakodate
 2 74 mi AT43 Dec 10, 2025
OIR → OKD
Okushiri Airport
Okadama (Sapporo Airfield)
Sapporo
 2 123 mi AT43 Jul 18, 2025
Data Information:

Airline statistics are based on flight route observations collected from FlightAware AeroAPI and other sources. Flight counts represent observed operations, not scheduled frequencies. Route data is continuously updated as new flight information becomes available.

Data Freshness: Real-time
Last Update: Feb 9, 2026 00:04
Coverage: Observed routes only