Chicago to San Diego (ORD–SAN) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
ORD–SAN is served by 11 airlines with nonstop service. American Airlines, United Airlines and Air Canada lead the route. The flight covers 1,720 miles in approximately 3h 41m. Beyond nonstop, 87 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| AA American Airlines | 58 | 738 | 3h45-4h37 | Oneworld | – | |
| UA United Airlines | 40 | 32Q, 739, A21N, B39M | 3h41-4h51 | Star Alliance | – | |
| AC Air Canada | 14 | A21N | 4h42-4h45 | Star Alliance | – | |
| AS Alaska Airlines | 14 | 7M9, B38M | 3h53-4h45 | Oneworld | – | |
| BA British Airways | 14 | 738 | 4h34-4h36 | Oneworld | – | |
| EI Aer Lingus | 14 | 738 | 4h31-4h34 | – | – | |
| AY Finnair | 8 | 738 | 4h33-4h34 | Oneworld | – | |
| CX Cathay Pacific | 7 | 738 | 4h31 | Oneworld | – | |
| GF Gulf Air | 7 | 738 | 4h34 | – | – | |
| HA Hawaiian Airlines | 7 | 73H | 4h42 | – | – | |
| IB Iberia | 7 | 738 | 4h34 | Oneworld | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Other ways to reach San Diego from Chicago
| Metric | ORD→SAN | MDW→SAN | MKE→SAN |
|---|---|---|---|
| Distance from ORD | – | 15 mi | 67 mi |
| Nonstop airlines | 11 | 3 | 1 |
| Weekly flights | 190 | 48 | 9 |
| Flight time | 3h 41m | 3h 36m | 3h 57m |
| Departure OTP | 28% | – | – |
Travel Essentials
ORD: CDT · SAN: PDT
When it's 6:00 PM in Chicago, it's 4:00 PM in San Diego.
CTA Blue Line runs 24/7 from downtown Loop stations to O'Hare (45 min, $5). Pace buses serve suburbs. Ride-shares cost $35–55 from downtown depending on traffic; add 30+ minutes during rush hour on the Kennedy Expressway.Economy parking lots E/F connect via ATS people mover. Terminal 5 (international) is separate from Terminals 1–3; allow extra time for inter-terminal transfers.
ORD–SAN Quick Facts
Frequently Asked Questions
Flights from ORD to SAN
Chicago O'Hare International Airport (ORD) and San Diego International Airport (SAN) are connected by nonstop service from American Airlines, Air Canada, Alaska Airlines, Finnair, British Airways, Cathay Pacific, Aer Lingus, Gulf Air, Hawaiian Airlines, Iberia and United Airlines. With 190 weekly departures, this is a heavily served route.
ORD to SAN Flight Duration and Schedule
Nonstop flight time from ORD to SAN ranges from 3 hours 41 minutes to 4 hours 51 minutes. The route covers a distance of 1,720 miles (2,768 km). There are approximately 190 weekly flights outbound and 187 return, totaling 377 flights per week in both directions.
Connecting Options and Alternatives
87 one-stop connections are available, with the fastest taking approximately 5 hours via ICT. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Chicago (MDW) and Milwaukee (MKE).