Airport · San Carlos, United States
San Carlos Airport
IATA SQLICAO KSQL1 airlines10 destinationsUnited States
San Carlos Airport (SQL) currently has nonstop service to 10 destinations on 1 airline in our latest departure data. The busiest route is to Hayward (HWD), and the largest operator here is BYF with nonstops to 10 destinations.
Route data as of June 15, 2026, based on a 4-day departures sample.
Network profile
How SQL is connected
Route mix
10 domestic
0 international routes in this schedule set
Top market
United States
United States 10
Busiest route
SQL to HWD
1/day
Aircraft signal
Cessna 172
Cessna 172 · Piper Archer · C152
Airlines operating at SQL
1 airlines fly direct from SQL
Ranked by destinations served, then daily frequency.
Destinations from SQL
Direct flights to 10 cities
Ranked by airlines operating the route. Routes with enough tracked data or schedule depth link to full route guides.
Nearby airports
Other gateways
Frequently asked about SQL
Quick answers
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