DL644 Flight Status Delta Air Lines: Houston to Atlanta (DAL644)
DL 644 Houston to Atlanta Flight Status
Not scheduled today. Latest flight: August 31st, 2026 ; recent history is in the table below.
DL 644 Flight Status & Schedule Delta Air Lines Houston to Atlanta
| Date | From | To | Departure | Arrival | Status | Details |
|---|---|---|---|---|---|---|
| Aug 31 | IAH | ATL | 08:08 | 10:39 | Landed | Track > |
| Aug 30 | IAH | ATL | 08:16 | 10:57 | Landed | Track > |
| Aug 28 | IAH | ATL | 08:13 | 10:48 | Landed | Track > |
| Aug 27 | IAH | ATL | 08:18 | 10:55 | Landed | Track > |
| Aug 26 | IAH | ATL | 08:11 | 10:46 | Landed | Track > |
| Aug 25 | IAH | ATL | 08:05 | 11:10 | Delayed >3h | Track > |
| Aug 24 | IAH | ATL | 08:11 | 10:49 | Landed | Track > |
| Aug 23 | IAH | ATL | 08:14 | 10:51 | Landed | Track > |
| Aug 21 | IAH | ATL | 08:13 | 10:52 | Landed | Track > |
| Aug 20 | IAH | ATL | 08:16 | 10:50 | Landed | Track > |
Delta Air Lines flight DL 644 links Houston and Atlanta, 1,108 km (688 mi) apart. The timetable allows 2 h 5 min, but the flight usually takes about 1 h 35 min, so it often makes up time. It is not flying today; the last flight, on 31 August 2026, landed on time.
About DL 644
- Route
- Houston George Bush Intercontinental Airport IAH to Atlanta Hartsfield-Jackson International Airport ATL
- Distance
- 1,108 km (688 mi)
- Typical flight time
- 1 h 35 min
- On time
- 9 of the last 9
- Usually departs from
- Terminal A
DL 644 FAQ
- How long is the DL644 flight?
- The timetable allows 2 h 5 min. Houston to Atlanta is 1,108 km (688 mi).
- How often is DL644 late?
- None of the last 9 flights arrived 15 or more minutes late.
- Which terminal does DL644 use?
- It usually leaves from Terminal A at Houston George Bush Intercontinental Airport (IAH) and arrives at Terminal S at Atlanta Hartsfield-Jackson International Airport (ATL). Check the flight card above for today's terminal and gate.
- What other flight numbers does DL644 have?
- Also listed as DAL644 (Delta Air Lines' ICAO code) and DL 644.
DL644 and Houston IAH to Atlanta ATL Flights
Flight DL644 is code-shared by 2 airlines using the flight numbers KE5407, LA6670
Other flights departing from Houston IAH: OO5112, MQ3424, UA6140
Other flights arriving at Atlanta ATL: DL2840, DL1010
All flights connecting Houston IAH to Atlanta ATL.