United Flight AA4421 Deals & Information (2025/2026)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

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

Change your flight without a fee on select flights

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 4 days ago
$192
Roundtrip
found 4 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 4 days ago
Thu, Oct 23 - Sun, Oct 26
SGF
Springfield-Branson National
ORD
O'Hare Intl.
$213 Roundtrip, found 18 hours ago
$213
Roundtrip
found 18 hours ago
Select United flight, departing Thu, Oct 23 from Springfield-Branson National to O'Hare Intl., returning Sun, Oct 26, priced at $213 found 18 hours ago
Fri, Oct 24 - Sun, Oct 26
SGF
Springfield-Branson National
ORD
O'Hare Intl.
$227 Roundtrip, found 6 days ago
$227
Roundtrip
found 6 days ago
Select United flight, departing Fri, Oct 24 from Springfield-Branson National to O'Hare Intl., returning Sun, Oct 26, priced at $227 found 6 days ago
Fri, Oct 31 - Sat, Nov 1
SGF
Springfield-Branson National
ORD
O'Hare Intl.
$243 Roundtrip, found 6 days ago
$243
Roundtrip
found 6 days ago
Select United flight, departing Fri, Oct 31 from Springfield-Branson National to O'Hare Intl., returning Sat, Nov 1, priced at $243 found 6 days ago
Fri, Oct 24 - Sun, Oct 26
SGF
Springfield-Branson National
ORD
O'Hare Intl.
$247 Roundtrip, found 6 days ago
$247
Roundtrip
found 6 days ago
Select United flight, departing Fri, Oct 24 from Springfield-Branson National to O'Hare Intl., returning Sun, Oct 26, priced at $247 found 6 days ago
Fri, Oct 24 - Fri, Oct 31
SGF
Springfield-Branson National
ORD
O'Hare Intl.
$248 Roundtrip, just found
$248
Roundtrip
just found
Select United flight, departing Fri, Oct 24 from Springfield-Branson National to O'Hare Intl., returning Fri, Oct 31, priced at $248 just found
Fri, Oct 24 - Fri, Oct 31
SGF
Springfield-Branson National
ORD
O'Hare Intl.
$249 Roundtrip, just found
$249
Roundtrip
just found
Select United flight, departing Fri, Oct 24 from Springfield-Branson National to O'Hare Intl., returning Fri, Oct 31, priced at $249 just found
Fri, Oct 31 - Sat, Nov 1
SGF
Springfield-Branson National
ORD
O'Hare Intl.
$251 Roundtrip, found 6 days ago
$251
Roundtrip
found 6 days ago
Select United flight, departing Fri, Oct 31 from Springfield-Branson National to O'Hare Intl., returning Sat, Nov 1, priced at $251 found 6 days ago
Thu, Nov 13 - Sat, Nov 15
SGF
Springfield-Branson National
ORD
O'Hare Intl.
$259 Roundtrip, found 4 days ago
$259
Roundtrip
found 4 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 4 days ago
Thu, Oct 23 - Sun, Oct 26
SGF
Springfield-Branson National
ORD
O'Hare Intl.
$267 Roundtrip, found 18 hours ago
$267
Roundtrip
found 18 hours ago
Select United flight, departing Thu, Oct 23 from Springfield-Branson National to O'Hare Intl., returning Sun, Oct 26, priced at $267 found 18 hours 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.