TX → CA · about 1,187 miles
San Marcos to Ontario train schedule
Amtrak runs 3 direct trains a week from San Marcos to Ontario. The fastest takes 33 hours 46 minutes; every train leaves at 8:08 PM.
Timetable data from · No schedule changes since at least
- Trains a week
- 3
- Fastest trip
- 33h 46m
- Leaves at
- 8:08 PM
Timetable
Every train leaves from San Marcos Amtrak and arrives at Ontario Amtrak. Times are local to each stop. Timetables published by tds.ai, refreshed October 15, 2026. Schedules change, so check times when you book.
| Departs | Arrives | Duration | Days | Rail company |
|---|---|---|---|---|
| 8:08 PM | 3:54 AM +2 day | 33h 46m | Mon, Wed, Sat | Amtrak Full timetable |
Route map
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Where to board in San Marcos Where you get off in Ontario The route of the busiest trip
Where to catch the train in San Marcos
- San Marcos Amtrak Map of San Marcos Amtrak (Google Maps)
Where the train stops in Ontario
Return trip: Ontario to San Marcos
Questions
How long is the train from San Marcos to Ontario?
The fastest direct train takes 33 hours 46 minutes.
What time is the first train from San Marcos to Ontario?
Every departure is at 8:08 PM (Mon, Wed, Sat).
Which rail companies go from San Marcos to Ontario?
Amtrak runs direct trains on this route.
Where do I catch the train in San Marcos?
Trains to Ontario leave from San Marcos Amtrak.