| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Dec 17 | BNA | IAH | 06:33 | 08:16 |
Landed
|
Track > |
| Dec 16 | BNA | IAH | 06:24 | 07:58 |
Landed
|
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| Dec 15 | BNA | IAH | 06:27 | 08:03 |
Landed
|
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| Dec 14 | BNA | IAH | 06:32 | 08:15 |
Landed
|
Track > |
| Dec 13 | BNA | IAH | 07:28 | 09:06 |
Landed Late
|
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| Dec 12 | BNA | IAH | 06:30 | 08:09 |
Landed
|
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| Dec 11 | BNA | IAH | 07:09 | 08:43 |
Landed
|
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| Dec 10 | BNA | IAH | 06:28 | 08:14 |
Landed
|
Track > |
| Dec 09 | BNA | IAH | 06:47 | 08:30 |
Landed
|
Track > |
| Dec 08 | BNA | IAH | 06:26 | 08:15 |
Landed
|
Track > |
United Airlines Flight UA644 connects Nashville, United States to Houston, United States, taking off from Nashville International Airport BNA and landing at Houston George Bush Intercontinental Airport IAH.
How long is the UA644 flight from Nashville to Houston?
The average flight time from Nashville to Houston is 1 hour and 40 minutes. The flight distance is 1056 km / 656 miles and the average flight speed is 632 km/h / 393 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA644 Nashville to Houston?
The Airportia On-Time Performance Rating for United Airlines Flight UA644 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA644 arriving at?
Flight UA644 arrives at Houston George Bush Intercontinental Airport (IAH) Terminal C.
When was the latest UA644 flight?
The latest flight took off on Wednesday, December 17th, 2025 with the flight status being Landed on 08:16.
How else can the flight UA644 be referenced as?
This United Airlines flight can also be referenced as UAL644, UA0644, UA 644, UAL 644.
How often is flight UA644 delayed?
On average, 20% of all UA644 flights are delayed. The average delay is 18 minutes.
Can I get compensation for my delayed or cancelled UA644 flight or baggage issues?
If your UA644 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our UA644 Flight Tracker above for more details.
Flight UA644 is code-shared by 4 airlines using the flight numbers CM1220, NH6525, NZ6384, VA8046
Other flights departing from Nashville BNA: AA1682, DL3815, DL5821, AA3318
Other flights arriving at Houston IAH: UA4040, UA2002, UA6201, AA2570
All flights connecting Nashville BNA to Houston IAH.