Question 1

What is the minimum connection time at St. Louis Lambert International (STL)?

Accepted Answer

The minimum connection time at STL is 40 minutes for domestic flights and 90 minutes for international connections. STL has an on-time rate of 80%, and when flights are delayed, the average delay is 64 minutes. We recommend adding at least 15-30 minutes of buffer above the minimum, especially during winter months or afternoon travel.

Question 2

Is a 45 minute layover enough at STL?

Accepted Answer

A 45-minute layover at STL is risky. About 18% of travelers miss their connection with only 45 minutes. We recommend at least 117 minutes.

Question 3

Is a 1-hour layover enough at STL?

Accepted Answer

A 60-minute layover at STL is risky. About 18% of travelers with this connection time miss their flight. We recommend at least 117 minutes.

Question 4

How long of a layover should I book at STL?

Accepted Answer

For domestic flights at STL, we recommend at least 117 minutes to comfortably make your connection. For international flights, allow at least 90 minutes. Early morning flights tend to have fewer delays, so your connection is safer if your first leg departs before 8 AM.

Question 5

What happens if I miss my connection at STL?

Accepted Answer

If both flights are on the same ticket, the airline must rebook you on the next available flight at no extra charge. If you booked separate tickets, you're responsible for rebooking costs. At STL, if you miss your connection due to an airline delay, ask the gate agent about rebooking and meal vouchers. If the airline caused the missed connection and it results in an overnight stay, request hotel accommodation.

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