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

ONT Airport Page →
1,850 mi airlines 2/wk
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Flight Schedule 1 flight Verified 11h ago
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AS2609
AS Alaska
333
8:10 AM
PDT
2:56 PM
EDT
3h 46m
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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...
Ontario to Cincinnati / Covington
1 carrier, 2 flights/week nonstop.
1 Airlines 2 Flights/wk 1,850 mi 3h 46m nonstop +3h ahead 23 1-stop hubs

ONT–CVG is served by 1 airline with nonstop service. Alaska Airlines leads the route. The flight covers 1,850 miles in approximately 3h 46m. Beyond nonstop, 23 hubs offer 1-stop connections.

Also explore ONT Routes CVG Routes ONT Live Flights CVG Live Flights ONT Delays CVG Delays
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 2 333 3h46 89% 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, ONT to CVG direction.
Mon
0
flights
Tue
0
flights
Wed
0
flights
Thu
0
flights
Fri
1
flight
Sat
1
flight
Sun
0
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
1
Nonstop flights
2
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
23
Hubs
~6h
Fastest
~23h
Longest
SMF ~6h 52m ABE ~7h 1m SFO ~7h 26m PDX ~7h 33m GDL ~7h 39m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,081
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
89%
Generally reliable. Most flights run on time.
Departing
89%
Arriving
78%
Return
CVG → ONT
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
81%
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 LAX→CVG
Distance from ONT – 21 mi 47 mi
Nonstop airlines 1 1 7
Weekly flights 2 2 17
Flight time 3h 46m 3h 48m 3h 32m
Departure OTP 89% – –
San Bernardino (SBD) to Cincinnati / Covington flights · Los Angeles (LAX) 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 46m.
Facts

ONT–CVG Quick Facts

Key statistics for the Ontario to Cincinnati / Covington route.
Route details
Distance1,850 mi / 2,977 km
Flight time3h 46m
Time difference+3 hours
Airlines (nonstop)1
Weekly flights2 out / 2 return
1-stop connections23 hubs
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/Indiana/Vevay
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 approximately 3h 46m. The route covers 1,850 miles.
1 airline operates nonstop service: Alaska Airlines.
There are approximately 2 nonstop flights per week from ONT to CVG. The return direction has about 2 weekly flights.
Yes, 1-stop connections are available through SMF, ABE, SFO, PDX, GDL, EWR, FLL, BOI, MDW, ANC, ORD, SLC, DFW, LAS, BWI, CLT, DEN, IAH, ATL, PHX, BNA, SEA and AUS. These options provide additional schedule flexibility.
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 and LAX. 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 2 weekly departures, this is a regularly served route.

ONT to CVG Flight Duration and Schedule

Nonstop flight time from ONT to CVG ranges from 3 hours 46 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

23 one-stop connections are available, with the fastest taking approximately 6 hours via SMF. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include San Bernardino (SBD) and Los Angeles (LAX).