American Airlines Flight 1840 Deals & Information (2025/2026)

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

American Airlines Flight 1840 Route Deals From $91

The cheapest prices found with in the last 7 days for return flights were $209 and $91 for one-way flights to George Bush Intercontinental for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

What route does flight number AA1840 take?
AA1840 travels between Charlotte, NC Airport (CLT-Charlotte-Douglas Intl.) and George Bush Intercontinental Airport (IAH) directly. This journey generally takes 2 hours and 38 minutes.
How often is AA1840 on time?
If you’re traveling with American Airlines flight number AA1840 between Charlotte, NC Airport (CLT-Charlotte-Douglas Intl.) and Houston, TX Airport (IAH-George Bush Intercontinental), it’s nice to know that 84% of these services arrive on time. If your plane does happen to be delayed, the average wait is approximately 17 minutes. This service has a 3.1-star rating.
What kind of plane is on flight number AA1840?
There’s every chance you’ll be jumping on board the Boeing 737-800 if you’re booked on flight number AA1840. This flight usually departs from Charlotte-Douglas Intl. Airport (CLT) and lands at George Bush Intercontinental Airport (IAH).
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your AA1840 flight with Travelocity, please visit our Customer Service Portal.