American Airlines Flight 1637 Deals & Information (2025/2026)

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American Airlines Flight 1637 Route Deals From $79

The cheapest prices found with in the last 7 days for return flights were $157 and $79 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Sep 22 - Thu, Sep 25
DCA
Ronald Reagan Washington National
ORD
O'Hare Intl.
$157 Roundtrip, found 3 days ago
$157
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Sep 22 from Ronald Reagan Washington National to O'Hare Intl., returning Thu, Sep 25, priced at $157 found 3 days ago
Tue, Aug 5 - Thu, Aug 7
DCA
Ronald Reagan Washington National
ORD
O'Hare Intl.
$160 Roundtrip, just found
$160
Roundtrip
just found
Select American Airlines flight, departing Tue, Aug 5 from Ronald Reagan Washington National to O'Hare Intl., returning Thu, Aug 7, priced at $160 just found
Mon, Sep 22 - Thu, Sep 25
DCA
Ronald Reagan Washington National
ORD
O'Hare Intl.
$191 Roundtrip, found 3 days ago
$191
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Sep 22 from Ronald Reagan Washington National to O'Hare Intl., returning Thu, Sep 25, priced at $191 found 3 days ago
Thu, Aug 14 - Mon, Aug 18
DCA
Ronald Reagan Washington National
ORD
O'Hare Intl.
$192 Roundtrip, found 3 days ago
$192
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Aug 14 from Ronald Reagan Washington National to O'Hare Intl., returning Mon, Aug 18, priced at $192 found 3 days ago
Mon, Aug 11 - Thu, Aug 14
DCA
Ronald Reagan Washington National
ORD
O'Hare Intl.
$195 Roundtrip, found 3 hours ago
$195
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Mon, Aug 11 from Ronald Reagan Washington National to O'Hare Intl., returning Thu, Aug 14, priced at $195 found 3 hours ago
Tue, Aug 5 - Thu, Aug 7
DCA
Ronald Reagan Washington National
ORD
O'Hare Intl.
$197 Roundtrip, just found
$197
Roundtrip
just found
Select American Airlines flight, departing Tue, Aug 5 from Ronald Reagan Washington National to O'Hare Intl., returning Thu, Aug 7, priced at $197 just found
Sat, Jul 5 - Fri, Jul 25
DCA
Ronald Reagan Washington National
ORD
O'Hare Intl.
$208 Roundtrip, found 18 hours ago
$208
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Sat, Jul 5 from Ronald Reagan Washington National to O'Hare Intl., returning Fri, Jul 25, priced at $208 found 18 hours ago
Sat, Jul 5 - Fri, Jul 25
DCA
Ronald Reagan Washington National
ORD
O'Hare Intl.
$208 Roundtrip, found 18 hours ago
$208
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Sat, Jul 5 from Ronald Reagan Washington National to O'Hare Intl., returning Fri, Jul 25, priced at $208 found 18 hours ago

Frequently asked questions

What route does flight number AA1637 take?
AA1637 flies directly from CLT to Metro Airport. During this trip, you can expect to be in the air for around 1 hour and 50 minutes. Consider booking ahead to secure your favorite seat.
How often is AA1637 on time?
Around 90% of AA1637 flights arrive as scheduled — so if you’re traveling between Charlotte-Douglas Intl. Airport (CLT) and DTW, you can relax in confidence knowing that you will land at your destination as quickly as possible. In the rare event that this American Airlines trip is delayed, the average wait is roughly 22 minutes. Due to the airline’s high standard, this route has a star rating of 3.85.
What kind of plane is on flight number AA1637?
You’re likely to be cruising aboard an Airbus A320 if you’re traveling on flight number AA1637. Generally, this flight takes off from Charlotte, NC Airport (CLT-Charlotte-Douglas Intl.) and arrives at Metro Airport.
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 AA1637 flight with Travelocity, please visit our Customer Service Portal.