Three-days-a-week Cardinal service means Amtrak from IND is niche
Indianapolis Union Station, about 14 miles from IND’s Main Terminal, is your Amtrak link via the Cardinal route, but it only runs three days per week in each direction. This is a rail-fan move, not a mass-transit replacement for the airport shuttle or a rental car. Think of it as an option if your plans already line up with Train 50/51, not something you can rely on for daily airport runs.
The Amtrak station sits downtown at 350 S Illinois Street, roughly a 20–30 minute ride from IND by Uber, Lyft, or taxi depending on I-70 traffic. There’s no direct rail from the Main Terminal to Union Station, so you’re doing at least one ground leg on each end. IndyGo’s Route 8 bus also runs between the airport and downtown, with stops near the station, but build in 40–50 minutes door to door.
The Cardinal currently operates three times weekly between Chicago and New York, with Indianapolis as one of the intermediate stops, so departures through Indy don’t look anything like a commuter timetable. Reddit regulars call it “one lonely Amtrak route” here, and they’re not wrong. Miss your booked train and you may be waiting 48 hours for the next one, depending on the day of week.
Delays on long-distance trains like the Cardinal are common enough that frequent riders refuse tight connections. A 60–90 minute delay into Indianapolis can easily blow up a same-day flight out of IND from the Main Terminal. Rail folks in forums generally suggest an overnight downtown on either side instead of trying to jump from a late Train 50 straight into a TSA line.
Step-by-step: IND to Amtrak Union Station
- 1. Land at IND and follow signs to Ground Transportation on the terminal’s lower level.
- 2. Decide rideshare vs IndyGo: Uber/Lyft/taxi runs about 20–30 minutes into downtown; IndyGo Route 8 is usually 40–50 minutes.
- 3. If using IndyGo, buy a ticket from the vending machine near the Ground Transportation Center and confirm you’re boarding Route 8 toward downtown on the posted schedule.
- 4. For rideshare, set “Indianapolis Union Station (Amtrak)” at 350 S Illinois St as the drop-off so the driver hits the right entrance.
- 5. Aim to reach the station at least 45–60 minutes before your scheduled Cardinal departure to hedge against TSA, traffic on I-70, or last‑minute gate changes at IND.
One tip: on your travel day, keep Amtrak train status and your airline’s app open at the same time; if the Cardinal into Indy starts slipping more than an hour, start pricing backup flights or a hotel downtown instead of gambling on a same-night connection out of the Main Terminal.