| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 31 | IAH | ATL | 08:08 | 10:39 |
Landed
|
Track > |
| Aug 30 | IAH | ATL | 08:16 | 10:57 |
Landed
|
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| Aug 28 | IAH | ATL | 08:13 | 10:48 |
Landed
|
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| Aug 27 | IAH | ATL | 08:18 | 10:55 |
Landed
|
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| Aug 26 | IAH | ATL | 08:11 | 10:46 |
Landed
|
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| Aug 25 | IAH | ATL | 08:05 | 11:10 |
Delayed >3h
|
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| Aug 24 | IAH | ATL | 08:11 | 10:49 |
Landed
|
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| Aug 23 | IAH | ATL | 08:14 | 10:51 |
Landed
|
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| Aug 21 | IAH | ATL | 08:13 | 10:52 |
Landed
|
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| Aug 20 | IAH | ATL | 08:16 | 10:50 |
Landed
|
Track > |
Delta Air Lines Flight DL644 connects Houston, United States to Atlanta, United States, taking off from Houston George Bush Intercontinental Airport IAH and landing at Atlanta Hartsfield-Jackson International Airport ATL.
How long is the DL644 flight from Houston to Atlanta?
The average flight time from Houston to Atlanta is 1 hour and 36 minutes. The flight distance is 1108 km / 688 miles and the average flight speed is 675 km/h / 419 mph.
What is the On-Time Performance (OTP) of Delta Air Lines Flight DL644 Houston to Atlanta?
The Airportia On-Time Performance Rating for Delta Air Lines Flight DL644 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight DL644 arriving at?
Flight DL644 arrives at Atlanta Hartsfield-Jackson International Airport (ATL) Terminal S.
When was the latest DL644 flight?
The latest flight took off on Monday, August 31st, 2026 with the flight status being Landed on 10:39.
How else can the flight DL644 be referenced as?
This Delta Air Lines flight can also be referenced as DAL644, DL0644, DL 644, DAL 644.
How often is flight DL644 delayed?
On average, 0% of all DL644 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled DL644 flight or baggage issues?
If your DL644 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 DL644 Flight Tracker above for more details.
Flight DL644 is code-shared by 2 airlines using the flight numbers KE5407, LA6670
Other flights departing from Houston IAH: UA1143, OO5049, OO5112, MQ3424
Other flights arriving at Atlanta ATL: DL1741, DL2840, DL1010, WN2522
All flights connecting Houston IAH to Atlanta ATL.