United Flight UA5721 Deals & Information (2025/2026)

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United Flight 5721 Route Deals From $39

The cheapest prices found with in the last 7 days for return flights were $77 and $39 for one-way flights to Corpus Christi Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Dec 11 - Mon, Dec 15
IAH
George Bush Intercontinental
CRP
Corpus Christi Intl.
$77 Roundtrip, found 4 days ago
$77
Roundtrip
found 4 days ago
Select United flight, departing Thu, Dec 11 from George Bush Intercontinental to Corpus Christi Intl., returning Mon, Dec 15, priced at $77 found 4 days ago
Thu, Dec 11 - Mon, Dec 15
IAH
George Bush Intercontinental
CRP
Corpus Christi Intl.
$94 Roundtrip, found 4 days ago
$94
Roundtrip
found 4 days ago
Select United flight, departing Thu, Dec 11 from George Bush Intercontinental to Corpus Christi Intl., returning Mon, Dec 15, priced at $94 found 4 days ago
Thu, Dec 11 - Mon, Dec 15
IAH
George Bush Intercontinental
CRP
Corpus Christi Intl.
$107 Roundtrip, found 4 days ago
$107
Roundtrip
found 4 days ago
Select United flight, departing Thu, Dec 11 from George Bush Intercontinental to Corpus Christi Intl., returning Mon, Dec 15, priced at $107 found 4 days ago
Thu, Dec 11 - Mon, Dec 15
IAH
George Bush Intercontinental
CRP
Corpus Christi Intl.
$124 Roundtrip, found 4 days ago
$124
Roundtrip
found 4 days ago
Select United flight, departing Thu, Dec 11 from George Bush Intercontinental to Corpus Christi Intl., returning Mon, Dec 15, priced at $124 found 4 days ago
Thu, Dec 11 - Mon, Dec 15
IAH
George Bush Intercontinental
CRP
Corpus Christi Intl.
$135 Roundtrip, found 4 days ago
$135
Roundtrip
found 4 days ago
Select United flight, departing Thu, Dec 11 from George Bush Intercontinental to Corpus Christi Intl., returning Mon, Dec 15, priced at $135 found 4 days ago
Thu, Dec 11 - Mon, Dec 15
IAH
George Bush Intercontinental
CRP
Corpus Christi Intl.
$137 Roundtrip, found 4 days ago
$137
Roundtrip
found 4 days ago
Select United flight, departing Thu, Dec 11 from George Bush Intercontinental to Corpus Christi Intl., returning Mon, Dec 15, priced at $137 found 4 days ago
Thu, Dec 11 - Mon, Dec 15
IAH
George Bush Intercontinental
CRP
Corpus Christi Intl.
$146 Roundtrip, found 4 days ago
$146
Roundtrip
found 4 days ago
Select United flight, departing Thu, Dec 11 from George Bush Intercontinental to Corpus Christi Intl., returning Mon, Dec 15, priced at $146 found 4 days ago
Thu, Dec 11 - Mon, Dec 15
IAH
George Bush Intercontinental
CRP
Corpus Christi Intl.
$154 Roundtrip, found 4 days ago
$154
Roundtrip
found 4 days ago
Select United flight, departing Thu, Dec 11 from George Bush Intercontinental to Corpus Christi Intl., returning Mon, Dec 15, priced at $154 found 4 days ago
Thu, Dec 11 - Mon, Dec 15
IAH
George Bush Intercontinental
CRP
Corpus Christi Intl.
$158 Roundtrip, found 4 days ago
$158
Roundtrip
found 4 days ago
Select United flight, departing Thu, Dec 11 from George Bush Intercontinental to Corpus Christi Intl., returning Mon, Dec 15, priced at $158 found 4 days ago
Thu, Dec 11 - Mon, Dec 15
IAH
George Bush Intercontinental
CRP
Corpus Christi Intl.
$165 Roundtrip, found 4 days ago
$165
Roundtrip
found 4 days ago
Select United flight, departing Thu, Dec 11 from George Bush Intercontinental to Corpus Christi Intl., returning Mon, Dec 15, priced at $165 found 4 days ago

Frequently asked questions

What route does flight number UA5721 take?
UA5721 flies straight from IAH to BNA in 1 hour and 52 minutes. It can sometimes take other routes though, some of which may be multi-stop journeys. Keep an eye out for this when booking your airfare to avoid any confusion.
How often is UA5721 on time?
If you're flying with United Airlines flight number UA5721 from George Bush Intercontinental Airport (IAH) to Nashville, TN Airport (BNA-Nashville Intl.), it's a relief knowing that flights arrive as scheduled 90% of the time. On the odd occasion that a flight is running behind, it is delayed on average by 1 hour and 3 minutes. Thanks to its quality of service, this trip has a 2.4-star rating.
What terminal does UA5721 fly out of?
You'll most likely take off from Terminal B if you're setting off from Houston, TX Airport (IAH-George Bush Intercontinental). Flight number UA5721 serves a number of routes, but the direct flight between IAH and Nashville International Airport is the most popular.
What kind of plane is on flight number UA5721?
UA5721 is a flight number that's used on several routes. If you've booked a ticket on the most popular route, Houston, TX Airport (IAH-George Bush Intercontinental) to Nashville Intl. Airport (BNA), you'll likely be climbing on board a Bombardier CRJ700.
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 UA5721 flight with Travelocity, please visit our Customer Service Portal.