| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 27 | IAH | ATL | 08:20 | 11:07 |
Landed
|
Track > |
| Jul 26 | IAH | ATL | 08:19 | 11:09 |
Landed
|
Track > |
| Jul 24 | IAH | ATL | 08:14 | 10:51 |
Landed
|
Track > |
| Jul 23 | IAH | ATL | 08:18 | 11:00 |
Landed
|
Track > |
| Jul 22 | IAH | ATL | 08:16 | 11:00 |
Landed
|
Track > |
| Jul 21 | IAH | ATL | 08:19 | 10:54 |
Landed
|
Track > |
| Jul 20 | IAH | ATL | 08:25 | 11:01 |
Landed
|
Track > |
| Jul 19 | IAH | ATL | 11:15 | 11:10 |
En-Route
|
Track > |
| Jul 17 | IAH | ATL | 08:14 | 10:49 |
Landed
|
Track > |
| Jul 16 | IAH | ATL | 08:12 | 10:46 |
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 40 minutes. The flight distance is 1108 km / 688 miles and the average flight speed is 653 km/h / 406 mph.
How many DL644 flights are operated per week?
6 flights per week. The flight DL644 is operated on Monday, Tuesday, Wednesday, Thursday, Friday and Sunday.
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, July 27th, 2026 with the flight status being Landed on 11:07.
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 KE7134, LA7180
Other flights departing from Houston IAH: UA1617, UA2133, UA5049, UA6056
Other flights arriving at Atlanta ATL: DL1763, DL1741, DL2840, DL3011
All flights connecting Houston IAH to Atlanta ATL.