Delta Air Lines
DL1223Atlanta to Houston
Delta Air Lines flight DL1223 flies from Atlanta (ATL) to Houston (IAH), 1,108 km. Over August 2025 to July 2026 it usually arrives about 14 minutes late: 73% of 469 flights arrived within 15 minutes of schedule and 2.1% were cancelled (US Department of Transportation data).
On-time record, last 12 months
73%
on time (within 15 min)
20%
more than 30 min late
2.1%
cancelled
+14 min
average arrival vs schedule
Every operation of DL1223, August 2025 to July 2026: 469 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as DL1223
- Atlanta (ATL) to Houston (IAH)157 flights
- Fort Myers (RSW) to Boston (BOS)141 flights
- Houston (IAH) to Atlanta (ATL)135 flights
- Seattle Tacoma (SEA) to Spokane (GEG)36 flights
Other flights from Atlanta to Houston
More about Atlanta (ATL) and Houston (IAH).
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