Miami to Ontario (MIA–ONT) — Airlines, Schedules & Connections

MIA Airport Page →
2,293 mi airlines charter/private
On-time Some delays Frequent delays
Connecting Flight Schedule 28 1-stop flights Verified 3mos ago
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

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.

Last scheduled nonstop: Mar 2026.

✦ 1-Stop connections via 10 hubs
HOU Houston 6h 35m WN → WN Houston (HOU) to Ontario flights
PHX Phoenix 6h 55m AAASAT → AAEJAPD Phoenix (PHX) to Ontario flights
DFW Dallas-Fort Worth 7h 19m 5XAAAS → AABAF9 Dallas-Fort Worth (DFW) to Ontario flights
AUS Austin 7h 20m AADLG3 → WN Austin (AUS) to Ontario flights
ATL Atlanta 7h 23m AAAFAM → AFAMDL Atlanta (ATL) to Ontario flights
LAS Las Vegas 7h 32m AABAF9 → F9WNY4 Las Vegas (LAS) to Ontario flights
DEN Denver 7h 34m AACMF9 → ACF9UA Denver (DEN) to Ontario flights
IAH Houston 7h 57m 5Y7LAA → 8CF9UA Houston (IAH) to Ontario flights
SLC Salt Lake City 8h 3m AADLKE → AFAMDL Salt Lake City (SLC) to Ontario flights
GDL Guadalajara 8h 5m F9Y4 → F9Y4 Guadalajara (GDL) to Ontario flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Miami to Ontario
Connecting service available through multiple hubs.
1 Airlines 2,293 mi 5h 49m nonstop -3h behind

MIA–ONT had nonstop service from United Airlines, last on the schedule in March 2026. There's no nonstop on it right now, so today you'd fly it with one stop. The connecting options below are sorted by layover. Nonstop, it's about 2,293 miles in 5h 49m.

Also explore MIA Routes ONT Routes MIA Live Flights ONT Live Flights MIA Delays ONT Delays
All flights from Ontario (ONT) Ontario to Miami flights
Carriers on this route

Airline Landscape

Carriers that operated nonstop MIA–ONT service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
UA United Airlines 0 – – 77% Star Alliance –
Alliance coverage
Star Alliance: UA (0 flights/wk, 0%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Connections

Connection Landscape

1-stop and 2-stop options for MIA to ONT.
1-STOP
One-Stop Connections
28
Hubs
~6h
Fastest
~14h
Longest
HOU ~6h 35m PHX ~6h 55m MLB ~7h 19m DFW ~7h 19m AUS ~7h 20m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,659
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
MIA → ONT
77%
Generally reliable. Most flights run on time.
Departing
77%
Arriving
84%
Return
ONT → MIA
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
95%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. MIA delays → ONT delays →
Alternatives

Other ways to reach Ontario from Miami

Nearby airports with service to Ontario International Airport.
Metric MIA→ONT OPF→ONT FLL→ONT
Distance from MIA – 8 mi 21 mi
Nonstop airlines – 1 1
Weekly flights – 1 –
Flight time 5h 49m 4h 47m 5h 44m
Departure OTP 77% – –
Miami (OPF) to Ontario flights · Fort Lauderdale (FLL) to Ontario flights · West Palm Beach (PBI) to Ontario flights
Airports within 200 miles of MIA 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 Miami.
MIA: EDT · ONT: PDT

When it's 6:00 PM in Miami, it's 3:00 PM in Ontario.
Distance & Flight Time
2,293 mi / 3,689 km
Nonstop flight time is approximately 5h 49m gate to gate.
Getting to MIA

Metrorail Orange Line runs from downtown Miami to the MIA station (15 min from Government Center, $2.25). The MIA Mover people mover connects Metrorail to the terminal; free. Tri-Rail commuter rail serves the airport from Fort Lauderdale and West Palm Beach ($3.75–6.90).Ride-shares cost $15–25 from Miami Beach, $10–20 from downtown.

Facts

MIA–ONT Quick Facts

Key statistics for the Miami to Ontario route.
Route details
Distance2,293 mi / 3,689 km
Flight time5h 49m
Time difference-3 hours
Airlines (nonstop)1
1-stop connectionsAvailable
Origin: MIA
Full nameMiami International Airport
IATA / ICAOMIA / KMIA
TimezoneAmerica/New_York
Passengers/yr55.9M
Elevation8 ft / 2 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 MIA to ONT flights.
Nonstop flights from Miami International Airport to Ontario International Airport take about 5h 49m gate to gate. The route covers 2,293 miles.
1 airline operated the nonstop from MIA to ONT: United Airlines. The last scheduled nonstop was in March 2026. There's no nonstop right now, so today you'd fly it with one stop. See the connection options above, ranked by layover.
Not right now. The last scheduled nonstop was in March 2026. You can still fly it with one stop, and the connecting options above are sorted by layover. Nonstop, the hop took about 5h 49m.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include William P. Hobby, Phoenix Sky Harbor and Dallas Fort Worth.
Ontario is 3 hours behind Miami.
Yes, return flights from ONT to MIA are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include OPF, FLL and PBI. 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 MIA to ONT

Miami International Airport (MIA) and Ontario International Airport (ONT) had nonstop service from United Airlines, last on the schedule in March 2026. The nonstop is dormant right now, so the way to fly it today is one connection, and the options above are sorted by layover.

MIA to ONT Flight Duration and Schedule

Nonstop flight time from MIA to ONT is about 5 hours 49 minutes gate to gate. The route covers a distance of 2,293 miles (3,689 km).

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via William P. Hobby, Phoenix Sky Harbor and Dallas Fort Worth. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Miami (OPF), Fort Lauderdale (FLL) and West Palm Beach (PBI).