CSA Air (IRO)

Aircraft currently assigned

30

Inferred routes

17

Flights over the last 30 days

710

Most frequent routes

Across all flights we have on record, including history taken over from before our own network started.

As of 2026-10-06

• Gerald R. Ford International Airport (GRR/KGRR) → Pellston Regional Airport of Emmet County Airport (PLN/KPLN) — Number of flights: 152
• Bishop International Airport (FNT/KFNT) → Alpena County Regional Airport (APN/KAPN) — Number of flights: 129
• General Mitchell International Airport (MKE/KMKE) → Marquette Sawyer Regional Airport (MQT/KSAW) — Number of flights: 122
• Sioux Falls Regional Airport (FSD/KFSD) → Pierre Regional Airport (PIR/KPIR) — Number of flights: 100
• Pierre Regional Airport (PIR/KPIR) → Sioux Falls Regional Airport (FSD/KFSD) — Number of flights: 90

Most frequent airports

• Gerald R. Ford International Airport (GRR/KGRR) — Number of flights: 380
• Dane County Regional Truax Field (MSN/KMSN) — Number of flights: 343
• General Mitchell International Airport (MKE/KMKE) — Number of flights: 339
• Sioux Falls Regional Airport (FSD/KFSD) — Number of flights: 274
• Pellston Regional Airport of Emmet County Airport (PLN/KPLN) — Number of flights: 203
• Pierre Regional Airport (PIR/KPIR) — Number of flights: 194
• Marquette Sawyer Regional Airport (MQT/KSAW) — Number of flights: 172
• Bishop International Airport (FNT/KFNT) — Number of flights: 135
• Rhinelander Oneida County Airport (RHI/KRHI) — Number of flights: 130
• Alpena County Regional Airport (APN/KAPN) — Number of flights: 129

Sources: the aircraft registry and our own observations; flight totals also include history taken over from before our own network started.