Airport terminal guide

Delta Air Lines at ONT: Terminal 2

Delta Air Lines departures from Ontario International Airport (ONT) most commonly use Terminal 2 in FlightQ's current schedule data. The airline has 9-10/day across 3 nonstop destinations from this airport.

Delta Air Lines routes from ONT

ONT to SLCSalt Lake City3-4/day
Airbus A220, BCS1
ONT to SEASeattle2-3/day
Embraer E-Jet
ONT to ATLAtlanta2-3/day
Airbus A320 family

Terminal FAQ

What terminal does Delta Air Lines use at ONT?

Delta Air Lines departures at ONT most commonly use Terminal 2 in FlightQ's current schedule data.

Where does Delta Air Lines fly from ONT?

Delta Air Lines has scheduled nonstop service from ONT to 3 destinations in this dataset, led by SLC, SEA, ATL.

Terminal data is based on the most common departure terminal captured in current schedule data, checked June 15, 2026. Airports and airlines can change terminals for operational reasons, so use this as a planning guide and confirm before departure.