United Flight AA4421 Deals & Information (2025/2026)

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United Flight 4421 Route Deals From $191

The cheapest prices found with in the last 7 days for return flights were $192 and $191 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Nov 13 - Sat, Nov 15
SGF
Springfield-Branson National
ORD
O'Hare Intl.
$192 Roundtrip, found 5 days ago
$192
Roundtrip
found 5 days ago
Select United flight, departing Thu, Nov 13 from Springfield-Branson National to O'Hare Intl., returning Sat, Nov 15, priced at $192 found 5 days ago
Thu, Oct 23 - Sun, Oct 26
SGF
Springfield-Branson National
ORD
O'Hare Intl.
$214 Roundtrip, found 5 hours ago
$214
Roundtrip
found 5 hours ago
Select United flight, departing Thu, Oct 23 from Springfield-Branson National to O'Hare Intl., returning Sun, Oct 26, priced at $214 found 5 hours ago
Thu, Oct 23 - Sun, Oct 26
SGF
Springfield-Branson National
ORD
O'Hare Intl.
$219 Roundtrip, found 5 hours ago
$219
Roundtrip
found 5 hours ago
Select United flight, departing Thu, Oct 23 from Springfield-Branson National to O'Hare Intl., returning Sun, Oct 26, priced at $219 found 5 hours ago
Fri, Oct 24 - Fri, Oct 31
SGF
Springfield-Branson National
ORD
O'Hare Intl.
$248 Roundtrip, found 1 day ago
$248
Roundtrip
found 1 day ago
Select United flight, departing Fri, Oct 24 from Springfield-Branson National to O'Hare Intl., returning Fri, Oct 31, priced at $248 found 1 day ago
Fri, Oct 24 - Fri, Oct 31
SGF
Springfield-Branson National
ORD
O'Hare Intl.
$249 Roundtrip, found 1 day ago
$249
Roundtrip
found 1 day ago
Select United flight, departing Fri, Oct 24 from Springfield-Branson National to O'Hare Intl., returning Fri, Oct 31, priced at $249 found 1 day ago
Thu, Oct 23 - Sun, Oct 26
SGF
Springfield-Branson National
ORD
O'Hare Intl.
$252 Roundtrip, found 5 hours ago
$252
Roundtrip
found 5 hours ago
Select United flight, departing Thu, Oct 23 from Springfield-Branson National to O'Hare Intl., returning Sun, Oct 26, priced at $252 found 5 hours ago
Thu, Nov 13 - Sat, Nov 15
SGF
Springfield-Branson National
ORD
O'Hare Intl.
$259 Roundtrip, found 5 days ago
$259
Roundtrip
found 5 days ago
Select United flight, departing Thu, Nov 13 from Springfield-Branson National to O'Hare Intl., returning Sat, Nov 15, priced at $259 found 5 days ago
Fri, Nov 21 - Sun, Nov 23
SGF
Springfield-Branson National
ORD
O'Hare Intl.
$264 Roundtrip, just found
$264
Roundtrip
just found
Select United flight, departing Fri, Nov 21 from Springfield-Branson National to O'Hare Intl., returning Sun, Nov 23, priced at $264 just found
Thu, Oct 23 - Sun, Oct 26
SGF
Springfield-Branson National
ORD
O'Hare Intl.
$269 Roundtrip, found 5 hours ago
$269
Roundtrip
found 5 hours ago
Select United flight, departing Thu, Oct 23 from Springfield-Branson National to O'Hare Intl., returning Sun, Oct 26, priced at $269 found 5 hours ago
Fri, Oct 24 - Fri, Oct 31
SGF
Springfield-Branson National
ORD
O'Hare Intl.
$274 Roundtrip, found 1 day ago
$274
Roundtrip
found 1 day ago
Select United flight, departing Fri, Oct 24 from Springfield-Branson National to O'Hare Intl., returning Fri, Oct 31, priced at $274 found 1 day ago

Frequently asked questions

What route does flight number UA4421 take?
UA4421 is used on a range of routes. Typically, UA4421 flies directly from O'Hare Intl. Airport (ORD) to Charlotte, NC Airport (CLT-Charlotte-Douglas Intl.). If that's your flight path, you'll be traveling for around 2 hours and 1 minute.
What terminal does UA4421 fly out of?
You'll most likely board the aircraft from Terminal 1 if you're flying out of ORD. UA4421 serves a variety of routes, but the direct flight between ORD and Charlotte Airport is the most popular.
What kind of plane is on flight number UA4421?
Chances are you'll be hopping on board a Canadair (Bombardier) Regional Jet 550 if you're taking flight UA4421 from ORD to Charlotte-Douglas Intl. Airport (CLT). It's the most commonly used type of aircraft on this route.
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 UA4421 flight with Travelocity, please visit our Customer Service Portal.