Colorado Springs to Ontario (COS–ONT) — Airlines, Schedules & Connections

COS Airport Page →
788 mi airlines 0/wk
On-time Some delays Frequent delays
Flight Schedule 0 flights Verified 2w ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP
2-STOP Loading...
Colorado Springs to Ontario
Connecting service available through multiple hubs.
788 mi 1h 56m nonstop -1h behind 15 1-stop hubs

While no nonstop service exists between COS and ONT, connecting options are available through 15 hubs.

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for COS to ONT.
1-STOP
One-Stop Connections
15
Hubs
~4h
Fastest
~21h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
355
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
COS → ONT
73%
Moderate delays possible. Allow buffer time.
Departing
73%
Arriving
82%
Return
ONT → COS
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
67%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. COS delays → ONT delays →

Other ways to reach Ontario from Colorado Springs

Nearby airports with service to Ontario International Airport.
Metric COS→ONT DEN→ONT
Distance from COS 73 mi
Nonstop airlines 0 5
Weekly flights 0 98
Flight time 1h 56m 2h
Departure OTP 73%
Airports within 200 miles of COS with service to Ontario International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
-1h
Ontario is 1 hour behind Colorado Springs.
COS: MDT · ONT: PDT

When it's 6:00 PM in Colorado Springs, it's 5:00 PM in Ontario.
Distance & Flight Time
788 mi / 1,268 km
Nonstop flight time is approximately 1h 56m.

COS–ONT Quick Facts

Key statistics for the Colorado Springs to Ontario route.
Route details
Distance788 mi / 1,268 km
Flight time1h 56m
Time difference-1 hour
Airlines (nonstop)0
1-stop connections15 hubs
Origin: COS
IATA / ICAOCOS / KCOS
TimezoneAmerica/Denver
Passengers/yr2.5M
Elevation6,187 ft / 1,886 m
Destination: ONT
IATA / ICAOONT / KONT
TimezoneAmerica/Los_Angeles
Passengers/yr7.0M
Elevation944 ft / 288 m

Frequently Asked Questions

Common questions about COS to ONT flights.
Nonstop flights from City of Colorado Springs Municipal Airport to Ontario International Airport take approximately 1h 56m. The route covers 788 miles.
Yes, 1-stop connections are available through BUR, SJC, CVG, SLC, SEA, ORD, IAH, PHX, DEN, LAS, DFW, ATL, SFO, HOU and DAL. These options provide additional schedule flexibility.
Ontario is 1 hour behind Colorado Springs.
Nearby alternatives include DEN. 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 COS to ONT

City of Colorado Springs Municipal Airport (COS) and Ontario International Airport (ONT) are connected through multiple connecting hub airports.

COS to ONT Flight Duration and Schedule

Nonstop flight time from COS to ONT ranges from 1 hours 56 minutes. The route covers a distance of 788 miles (1,268 km).

Connecting Options and Alternatives

15 one-stop connections are available, with the fastest taking approximately 4 hours via BUR. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Denver (DEN).