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 24m 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
2:17 AM
PDT
4h 37m
23%
M T W T F S S
Prices
✓
←
AS2605
AS Alaska
333
10:00 AM
PDT
4:59 PM
EDT
3h 59m
—
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
PHX Phoenix 6h AADLGB → AAPDWN Phoenix (PHX) to Ontario flights
DEN Denver 6h 10m 2IF9G4 → ACF9UA Denver (DEN) to Ontario flights
DFW Dallas-Fort Worth 6h 29m AAASAY → AABAF9 Dallas-Fort Worth (DFW) to Ontario flights
LAS Las Vegas 6h 31m DLF9G4 → F9WNY4 Las Vegas (LAS) to Ontario flights
ATL Atlanta 6h 54m AFAMDL → AFAMDL Atlanta (ATL) to Ontario flights
MDW Chicago 6h 55m WN → WN Chicago (MDW) to Ontario flights
SLC Salt Lake City 7h AMDLKE → AFAMDL Salt Lake City (SLC) to Ontario flights
IAH Houston 7h 15m 8CASGB → 8CF9UA Houston (IAH) to Ontario flights
SFO San Francisco 7h 29m 2IMX → ACCMEJA San Francisco (SFO) to Ontario flights
ORD Chicago 7h 38m AAACAS → UA Chicago (ORD) 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 37m 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 37m. Beyond nonstop, 1-stop connecting options are also available.

Also explore 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 4h37 84% 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
0
flights
Tue
0
flights
Wed
0
flights
Thu
0
flights
Fri
0
flights
Sat
1
flight
Sun
1
flight
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
28
Hubs
~6h
Fastest
~17h
Longest
PHX ~6h 0m DEN ~6h 10m DFW ~6h 29m LAS ~6h 31m DAL ~6h 36m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,019
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
84%
Generally reliable. Most flights run on time.
Departing
84%
Arriving
88%
Return
ONT → CVG
65%
Moderate delays possible. Allow buffer time.
Departing
65%
Arriving
74%
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 37m 4h 14m 3h 45m
Departure OTP 84% – –
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 37m 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 37m
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 37m 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 Phoenix Sky Harbor, Denver and Dallas Fort Worth.
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 37 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 Phoenix Sky Harbor, Denver and Dallas Fort Worth. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Lexington (LEX), Louisville (SDF) and Indianapolis (IND).