The Ontario Municipal Airport (ONO) is classified as a core, Category 3 Regional General Aviation airport. It is part of the National Plan of Integrated Airport Systems. Runway 15/33 is 5011 feet long by 100 feet wide. It has a full length parallel taxiway, pilot controlled medium intensity runway lights, a rotating beacon, and PAPI and REIL's on Runways 15/33. The instrument approaches include NDB, GPS, and LPV with 250 foot minimums on Runway 33.
There is 24 hour self serve 100LL and jet fuel, along with business hours and call-out truck fueling. Truck jet fuel is over the wing and single point. There is on-field aircraft and helicopter maintenance. The Fixed Base Operator (FBO) has a courtesy car that can be reserved. Tie downs are available starting at a weekly rate. The airport is very friendly with a strong EAA presence. There are 79 based aircraft and a Life Flight base on field.