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

ONT Airport Page →
1,850 mi airlines charter/private 2/wk
On-time Some delays Frequent delays
Flight Schedule 2 flights Verified 52m 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
4:59 PM
EDT
3h 59m
M T W T F S S
Prices
AS2618
AS Alaska
333
12:40 AM
EDT
2:17 AM
PDT
4h 37m
23%
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 4h 59m AAPDWN AAGBSY Phoenix (PHX) to Cincinnati / Covington flights
DEN Denver 5h 40m ACF9G6 2I8CF9 Denver (DEN) to Cincinnati / Covington flights
SLC Salt Lake City 6h 2m AFAMDL DLKE Salt Lake City (SLC) to Cincinnati / Covington flights
LAS Las Vegas 6h 6m F9WNY4 DLF9G4 Las Vegas (LAS) to Cincinnati / Covington flights
DFW Dallas-Fort Worth 6h 17m AABAF9 AAASAY Dallas-Fort Worth (DFW) to Cincinnati / Covington flights
ORD Chicago 6h 30m UA AAACAS Chicago (ORD) to Cincinnati / Covington flights
ATL Atlanta 6h 37m AFAMDL AFAMDL Atlanta (ATL) to Cincinnati / Covington flights
IAH Houston 7h 1m 8CF9UA ASEKNZ Houston (IAH) to Cincinnati / Covington flights
CLT Charlotte 7h 32m AA 8CAA Charlotte (CLT) to Cincinnati / Covington flights
1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Ontario to Cincinnati / Covington
1 carrier, 2 flights/week nonstop.
1 Airlines 1,850 mi 3h 47m 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 47m. Beyond nonstop, 1-stop connecting options are also available.

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 3h59 95% 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.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, ONT to CVG direction.
Mon
0
flights
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
2
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for ONT to CVG.
1-STOP
One-Stop Connections
22
Hubs
~4h
Fastest
~19h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,008
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.

On-Time Performance

What to expect at each end of your journey.
Outbound
ONT → CVG
95%
Generally reliable. Most flights run on time.
Departing
95%
Arriving
88%
Return
CVG → ONT
66%
Moderate delays possible. Allow buffer time.
Departing
66%
Arriving
80%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. ONT delays → CVG delays →

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 2 1 2
Flight time 3h 47m 3h 45m 4h 14m
Departure OTP 95%
Airports within 200 miles of ONT with service to Cincinnati Northern Kentucky International Airport.

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 47m gate to gate.

ONT–CVG Quick Facts

Key statistics for the Ontario to Cincinnati / Covington route.
Route details
Distance1,850 mi / 2,977 km
Flight time3h 47m
Time difference+3 hours
Airlines (nonstop)1
Weekly flights2 out / 2 return
1-stop connectionsAvailable
Origin: ONT
IATA / ICAOONT / KONT
TimezoneAmerica/Los_Angeles
Passengers/yr7.0M
Elevation944 ft / 288 m
Destination: CVG
IATA / ICAOCVG / KCVG
TimezoneAmerica/New_York
Passengers/yr9.0M
Elevation896 ft / 273 m

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 47m 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 Phoenix Sky Harbor, Denver and Salt Lake City.
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 2 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 47 minutes gate to gate. 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

1-stop connecting options are also available, commonly via Phoenix Sky Harbor, Denver and Salt Lake City. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include San Bernardino (SBD), Santa Ana (SNA) and Long Beach (LGB).