American Airlines Flight AA866 Deals & Information (2025/2026)

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American Airlines Flight 866 Route Deals From $100

The cheapest prices found with in the last 7 days for return flights were $199 and $100 for one-way flights to Sky Harbor Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Sep 20 - Wed, Sep 24
ORD
O'Hare Intl.
PHX
Sky Harbor Intl.
$199 Roundtrip, found 15 hours ago
$199
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Sat, Sep 20 from O'Hare Intl. to Sky Harbor Intl., returning Wed, Sep 24, priced at $199 found 15 hours ago
Wed, Oct 8 - Sun, Oct 12
ORD
O'Hare Intl.
PHX
Sky Harbor Intl.
$208 Roundtrip, found 1 hour ago
$208
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, Oct 8 from O'Hare Intl. to Sky Harbor Intl., returning Sun, Oct 12, priced at $208 found 1 hour ago
Thu, Oct 23 - Sat, Oct 25
ORD
O'Hare Intl.
PHX
Sky Harbor Intl.
$217 Roundtrip, found 1 hour ago
$217
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Thu, Oct 23 from O'Hare Intl. to Sky Harbor Intl., returning Sat, Oct 25, priced at $217 found 1 hour ago
Wed, Oct 29 - Wed, Nov 5
ORD
O'Hare Intl.
PHX
Sky Harbor Intl.
$221 Roundtrip, found 16 hours ago
$221
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Wed, Oct 29 from O'Hare Intl. to Sky Harbor Intl., returning Wed, Nov 5, priced at $221 found 16 hours ago

Frequently asked questions

What route does flight number AA866 take?
AA866 takes approximately 3 hours and 53 minutes to fly direct from ORD to Phoenix, AZ Airport (PHX-Sky Harbor Intl.). Sure, there’s magic in the destination, but the journey is always half the fun!
How often is AA866 on time?
American Airlines flight number AA866 from O’Hare Intl. Airport (ORD) to PHX leaves on schedule 85% of the time — so you can rest easy knowing you’ll get to your destination ASAP. If the service is delayed, you’ll likely wait 31 minutes. This route has a star rating of 2.6.
What terminal does AA866 fly out of?
You’ll likely be jetting out of Terminal 3 if you’re flying on AA866 direct from ORD to Sky Harbor Intl. Airport (PHX).
What kind of plane is on flight number AA866?
Get set to step aboard an Airbus A321neo if you’re taking off on flight AA866. Most flights from ORD to Phoenix Sky Harbor Intl. Airport are operated using this aircraft model.
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 AA866 flight with Travelocity, please visit our Customer Service Portal.