United Flight AA1400 Deals & Information (2025/2026)

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United Flight 1400 Route Deals From $90

The cheapest prices found with in the last 7 days for return flights were $208 and $90 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Dec 4 - Tue, Dec 9
PHX
Sky Harbor Intl.
ORD
O'Hare Intl.
$208 Roundtrip, found 20 hours ago
$208
Roundtrip
found 20 hours ago
Select United flight, departing Thu, Dec 4 from Sky Harbor Intl. to O'Hare Intl., returning Tue, Dec 9, priced at $208 found 20 hours ago

Frequently asked questions

What route does flight number UA1400 take?
UA1400 takes about 4 hours and 19 minutes to fly direct from San Francisco, CA Airport (SFO-San Francisco Intl.) to ORD. We all know there's magic in the destination, but getting there is half the fun!
How often is UA1400 on time?
If you have booked tickets with United Airlines flight number UA1400 from SFO to ORD, it's nice to know that 98% of these services reach their destination on time. In the rare instance of a delay, expect an average wait time of around 9 minutes. This route has a 4.4-star rating.
What terminal does UA1400 fly out of?
Direct flights between San Francisco Airport and O'Hare Intl. Airport (ORD) are served by flight number UA1400, and passengers traveling on this flight usually leave from Terminal 3.
What kind of plane is on flight number UA1400?
The Boeing 737-800 is the aircraft type most commonly used for flight number UA1400. More often than not, this flight sets off from San Francisco Intl. Airport (SFO) and lands at ORD.
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 UA1400 flight with Travelocity, please visit our Customer Service Portal.