Cincinnati / Covington to Ontario (CVG–ONT) — Airlines, Schedules & Connections

CVG Airport Page →
1,850 mi airlines 2/wk
On-time Some delays Frequent delays
Flight Schedule 1 flight Verified 35m ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  
✓
←
AS2609
AS Alaska
333
8:10 AM
PDT
2:56 PM
EDT
3h 46m
—
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 1-STOP
✧ 2-STOP Loading...
Cincinnati / Covington to Ontario
1 carrier, 2 flights/week nonstop.
1 Airlines 2 Flights/wk 1,850 mi 3h 44m nonstop -3h behind 33 1-stop hubs

CVG–ONT is served by 1 airline with nonstop service. Alaska Airlines leads the route. The flight covers 1,850 miles in approximately 3h 44m. Beyond nonstop, 33 hubs offer 1-stop connections.

Also explore CVG Routes ONT Routes CVG Live Flights ONT Live Flights CVG Delays ONT Delays
Carriers on this route

Airline Landscape

All carriers operating nonstop CVG–ONT service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
AS Alaska Airlines 2 – – 100% Oneworld –
Alliance coverage
Oneworld: AS (2 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for CVG to ONT.
1-STOP
One-Stop Connections
33
Hubs
~5h
Fastest
~25h
Longest
AFW ~5h 18m SDF ~5h 27m MEM ~6h 8m RFD ~6h 27m SMF ~7h 0m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,114
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
CVG → ONT
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
80%
Return
ONT → CVG
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
75%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. CVG delays → ONT delays →
Alternatives

Other ways to reach Ontario from Cincinnati / Covington

Nearby airports with service to Ontario International Airport.
Metric CVG→ONT SDF→ONT IND→ONT
Distance from CVG – 84 mi 98 mi
Nonstop airlines 1 2 1
Weekly flights 2 1 1
Flight time 3h 44m 3h 22m 3h 57m
Departure OTP 100% – –
Louisville (SDF) to Ontario flights · Indianapolis (IND) to Ontario flights
Airports within 200 miles of CVG with service to Ontario International Airport.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
-3h
Ontario is 3 hours behind Cincinnati / Covington.
CVG: EDT · ONT: PDT

When it's 6:00 PM in Cincinnati / Covington, it's 3:00 PM in Ontario.
Distance & Flight Time
1,850 mi / 2,977 km
Nonstop flight time is approximately 3h 44m.
Facts

CVG–ONT Quick Facts

Key statistics for the Cincinnati / Covington to Ontario route.
Route details
Distance1,850 mi / 2,977 km
Flight time3h 44m
Time difference-3 hours
Airlines (nonstop)1
Weekly flights2 out / 2 return
1-stop connections33 hubs
Origin: CVG
Full nameCincinnati Northern Kentucky International Airport
IATA / ICAOCVG / KCVG
TimezoneAmerica/Indiana/Vevay
Passengers/yr9.0M
Elevation896 ft / 273 m
Destination: ONT
Full nameOntario International Airport
IATA / ICAOONT / KONT
TimezoneAmerica/Los_Angeles
Passengers/yr7.0M
Elevation944 ft / 288 m
FAQ

Frequently Asked Questions

Common questions about CVG to ONT flights.
Nonstop flights from Cincinnati Northern Kentucky International Airport to Ontario International Airport take approximately 3h 44m. The route covers 1,850 miles.
1 airline operates nonstop service: Alaska Airlines.
There are approximately 2 nonstop flights per week from CVG to ONT. The return direction has about 2 weekly flights.
Yes, 1-stop connections are available through AFW, SDF, MEM, RFD, SMF, DAL, SFO, GSO, LAL, PHL, MLB, EWR, GDL, FLL, AUS, MIA, ANC, YUL, MDW, ATL, IAH, CLT, ORD, DFW, DEN, PHX, HNL, LAS, SLC, BNA, SEA, PDX and BWI. These options provide additional schedule flexibility.
Ontario is 3 hours behind Cincinnati / Covington.
Yes, return flights from ONT to CVG are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include SDF and IND. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from CVG to ONT

Cincinnati Northern Kentucky International Airport (CVG) and Ontario International Airport (ONT) are connected by nonstop service from Alaska Airlines. With 2 weekly departures, this is a regularly served route.

CVG to ONT Flight Duration and Schedule

Nonstop flight time from CVG to ONT ranges from 3 hours 44 minutes. The route covers a distance of 1,850 miles (2,977 km). There are approximately 2 weekly flights outbound and 2 return, totaling 4 flights per week in both directions.

Connecting Options and Alternatives

33 one-stop connections are available, with the fastest taking approximately 5 hours via AFW. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Louisville (SDF) and Indianapolis (IND).