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

CVG Airport Page →
1,850 mi airlines charter/private 2/wk
On-time Some delays Frequent delays
Flight Schedule 2 flights Verified 30m ago
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
✓
→
AS2618
AS Alaska
333
12:40 AM
EDT
1:55 AM
PDT
4h 15m
93%
M T W T F S S
Prices
✓
←
AS2605
AS Alaska
333
10:00 AM
PDT
4:51 PM
EDT
3h 51m
—
M T W T F S S
Prices

No flights match your filters.

No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.

✦ 1-Stop connections via 10 hubs
LAS Las Vegas 6h 10m DLF9G4 → EJAF9WN Las Vegas (LAS) to Ontario flights
MDW Chicago 6h 15m WN → WN Chicago (MDW) to Ontario flights
PHX Phoenix 6h 23m 8CAAAS → AAWN Phoenix (PHX) to Ontario flights
DFW Dallas-Fort Worth 6h 24m AAASAY → AABAF9 Dallas-Fort Worth (DFW) to Ontario flights
DEN Denver 6h 28m 2IF9UA → ACF9UA Denver (DEN) to Ontario flights
AUS Austin 6h 34m AMDLG4 → WN Austin (AUS) to Ontario flights
ATL Atlanta 6h 43m AFAMDL → AFAMDL Atlanta (ATL) to Ontario flights
BNA Nashville 6h 48m WN → WN Nashville (BNA) to Ontario flights
SLC Salt Lake City 7h 16m AMDLKE → AFAMDL Salt Lake City (SLC) to Ontario flights
IAH Houston 7h 39m 8CASGB → 8CF9UA Houston (IAH) to Ontario flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Cincinnati / Covington to Ontario
1 carrier, 2 flights/week nonstop.
1 Airlines 1,850 mi 4h 26m nonstop -3h behind

CVG–ONT is served by 1 airline with nonstop service. Alaska Airlines leads the route. The flight covers 1,850 miles in approximately 4h 26m. Beyond nonstop, 1-stop connecting options are also available.

Also explore Browse available seat maps CVG Routes ONT Routes CVG Live Flights ONT Live Flights CVG Delays ONT Delays
All flights from Ontario (ONT) Ontario to Cincinnati / Covington flights
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 2 333 4h15 50% Oneworld –
Aircraft on this route
333 Airbus A330-300 – AS
Alliance coverage
Oneworld: AS (2 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Schedule

Weekly Schedule Pattern

Nonstop flight frequency by day of week, CVG to ONT direction.
Mon
1
flight
Tue
1
flight
Wed
0
flights
Thu
0
flights
Fri
0
flights
Sat
0
flights
Sun
0
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
1
Nonstop flights
2
Outbound / wk
1
Return / wk
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for CVG to ONT.
1-STOP
One-Stop Connections
18
Hubs
~6h
Fastest
~18h
Longest
LAS ~6h 10m MDW ~6h 15m PHX ~6h 23m DFW ~6h 24m DEN ~6h 28m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
912
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
50%
Frequent delays expected. Consider flexible booking.
Departing
50%
Arriving
100%
Return
ONT → CVG
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
80%
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 LEX→ONT SDF→ONT
Distance from CVG – 70 mi 84 mi
Nonstop airlines 1 1 2
Weekly flights 2 – 1
Flight time 4h 26m 4h 14m 3h 52m
Departure OTP 50% – –
Lexington (LEX) to Ontario flights · 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 4h 26m gate to gate.
Facts

CVG–ONT Quick Facts

Key statistics for the Cincinnati / Covington to Ontario route.
Route details
Distance1,850 mi / 2,977 km
Flight time4h 26m
Time difference-3 hours
Airlines (nonstop)1
Weekly flights2 out / 1 return
1-stop connectionsAvailable
Origin: CVG
Full nameCincinnati Northern Kentucky International Airport
IATA / ICAOCVG / KCVG
TimezoneAmerica/New_York
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 about 4h 26m gate to gate. The route covers 1,850 miles.
1 airline operates flights from CVG to ONT: Alaska Airlines.
This route has limited weekly service. Check the schedule above for departure days and times in each direction.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Harry Reid, Chicago Midway and Phoenix Sky Harbor.
On a single ticket, yes. Your bags are checked through to ONT and move between planes without you. On two separate tickets you collect your bags at the connecting airport and recheck them, so build in extra layover time.
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 LEX, 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 is about 4 hours 26 minutes gate to gate. The route covers a distance of 1,850 miles (2,977 km). There are approximately 2 weekly flights outbound and 1 return, totaling 3 flights per week in both directions.

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Harry Reid, Chicago Midway and Phoenix Sky Harbor. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Lexington (LEX), Louisville (SDF) and Indianapolis (IND).