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

ONT Airport Page →
1,850 mi airlines charter/private 1/wk
On-time Some delays Frequent delays
Flight Schedule 2 flights Verified 37m ago
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
✓
→
AS2605
AS Alaska
333
10:00 AM
PDT
4:51 PM
EDT
3h 51m
—
M T W T F S S
Prices
✓
←
AS2618
AS Alaska
333
12:40 AM
EDT
1:55 AM
PDT
4h 15m
93%
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
DEN Denver 5h 40m ACF9UA → 2I8CF9 Denver (DEN) to Cincinnati / Covington flights
BNA Nashville 5h 50m WN → WN Nashville (BNA) to Cincinnati / Covington flights
LAS Las Vegas 5h 54m F9WNY4 → DLF9G4 Las Vegas (LAS) to Cincinnati / Covington flights
PHX Phoenix 5h 55m AAPDWN → AAGB Phoenix (PHX) to Cincinnati / Covington flights
SLC Salt Lake City 6h AFAMDL → DLKE Salt Lake City (SLC) to Cincinnati / Covington flights
AUS Austin 6h 18m WN → DLG4WN Austin (AUS) to Cincinnati / Covington flights
ATL Atlanta 6h 20m AFAMDL → AFAMDL Atlanta (ATL) to Cincinnati / Covington flights
DFW Dallas-Fort Worth 6h 32m AABAF9 → AAASAY Dallas-Fort Worth (DFW) to Cincinnati / Covington flights
IAH Houston 6h 57m F9UAY4 → 8CASEK Houston (IAH) to Cincinnati / Covington flights
ORD Chicago 7h UA → AAACAS Chicago (ORD) to Cincinnati / Covington flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Ontario to Cincinnati / Covington
1 carrier, 1 flights/week nonstop.
1 Airlines 1,850 mi 3h 51m nonstop +3h ahead

ONT–CVG is served by 1 airline with nonstop service. Alaska Airlines leads the route. The flight covers 1,850 miles in approximately 3h 51m. Beyond nonstop, 1-stop connecting options are also available.

Also explore Browse available seat maps ONT Routes CVG Routes ONT Live Flights CVG Live Flights ONT Delays CVG Delays
All flights from Cincinnati / Covington (CVG) Cincinnati / Covington to Ontario flights
Carriers on this route

Airline Landscape

All carriers operating nonstop ONT–CVG service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
AS Alaska Airlines 1 333 3h51 100% Oneworld –
Aircraft on this route
333 Airbus A330-300 – AS
Alliance coverage
Oneworld: AS (1 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, ONT to CVG direction.
Mon
0
flights
Tue
0
flights
Wed
0
flights
Thu
0
flights
Fri
0
flights
Sat
0
flights
Sun
1
flight
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
1
Nonstop flights
1
Outbound / wk
2
Return / wk
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for ONT to CVG.
1-STOP
One-Stop Connections
18
Hubs
~5h
Fastest
~9h
Longest
DEN ~5h 40m BNA ~5h 50m LAS ~5h 54m PHX ~5h 55m SLC ~6h 0m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
905
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
ONT → CVG
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
100%
Return
CVG → ONT
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
100%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. ONT delays → CVG delays →
Alternatives

Other ways to reach Cincinnati / Covington from Ontario

Nearby airports with service to Cincinnati Northern Kentucky International Airport.
Metric ONT→CVG SBD→CVG SNA→CVG
Distance from ONT – 21 mi 30 mi
Nonstop airlines 1 2 1
Weekly flights 1 – –
Flight time 3h 51m 3h 45m 4h 19m
Departure OTP 100% – –
San Bernardino (SBD) to Cincinnati / Covington flights · Santa Ana (SNA) to Cincinnati / Covington flights · Long Beach (LGB) to Cincinnati / Covington flights
Airports within 200 miles of ONT with service to Cincinnati Northern Kentucky International Airport.
Know before you go

Travel Essentials

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

When it's 6:00 PM in Ontario, it's 9:00 PM in Cincinnati / Covington.
Distance & Flight Time
1,850 mi / 2,977 km
Nonstop flight time is approximately 3h 51m gate to gate.
Facts

ONT–CVG Quick Facts

Key statistics for the Ontario to Cincinnati / Covington route.
Route details
Distance1,850 mi / 2,977 km
Flight time3h 51m
Time difference+3 hours
Airlines (nonstop)1
Weekly flights1 out / 2 return
1-stop connectionsAvailable
Origin: ONT
Full nameOntario International Airport
IATA / ICAOONT / KONT
TimezoneAmerica/Los_Angeles
Passengers/yr7.0M
Elevation944 ft / 288 m
Destination: CVG
Full nameCincinnati Northern Kentucky International Airport
IATA / ICAOCVG / KCVG
TimezoneAmerica/New_York
Passengers/yr9.0M
Elevation896 ft / 273 m
FAQ

Frequently Asked Questions

Common questions about ONT to CVG flights.
Nonstop flights from Ontario International Airport to Cincinnati Northern Kentucky International Airport take about 3h 51m gate to gate. The route covers 1,850 miles.
1 airline operates flights from ONT to CVG: 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 Denver, Nashville and Harry Reid.
On a single ticket, yes. Your bags are checked through to CVG 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.
Cincinnati / Covington is 3 hours ahead of Ontario.
Yes, return flights from CVG to ONT are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include SBD, SNA and LGB. 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 ONT to CVG

Ontario International Airport (ONT) and Cincinnati Northern Kentucky International Airport (CVG) are connected by nonstop service from Alaska Airlines. With 1 weekly departures, this is a regularly served route.

ONT to CVG Flight Duration and Schedule

Nonstop flight time from ONT to CVG is about 3 hours 51 minutes gate to gate. The route covers a distance of 1,850 miles (2,977 km). There are approximately 1 weekly flights outbound and 2 return, totaling 3 flights per week in both directions.

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Denver, Nashville and Harry Reid. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include San Bernardino (SBD), Santa Ana (SNA) and Long Beach (LGB).