Here's a revised version of your information about checking in for Singapore Airlines flights:
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### How to Check In for Your Singapore Airlines Flight
**Online Check-In:**
You can check in online for your Singapore Airlines flight starting 24 hours and up to 40 minutes before departure for U.S. domestic flights, or 60 minutes for international flights. This allows you to receive a mobile boarding pass or print your boarding pass at home.
**Baggage Check:**
You may check bags at the airport baggage drop-off before the check-in deadline. Make sure to arrive early to allow time for this process.
**For Assistance:**
If you need help, you can contact Singapore Airlines at 1-866-738-0640.
---
Let me know if you need any more information or adjustments!
Here's a revised version of your information about checking in for Singapore Airlines flights:
---
### How to Check In for Your Singapore Airlines Flight
**Online Check-In:**
You can check in online for your Singapore Airlines flight starting 24 hours and up to 40 minutes before departure for U.S. domestic flights, or 60 minutes for international flights. This allows you to receive a mobile boarding pass or print your boarding pass at home.
**Baggage Check:**
You may check bags at the airport baggage drop-off before the check-in deadline. Make sure to arrive early to allow time for this process.
**For Assistance:**
If you need help, you can contact Singapore Airlines at 1-866-738-0640.
---
Let me know if you need any more information or adjustments!