DL1223 · ATL → IAH

Delta Air Lines · Atlanta to Houston · last 12 months · 183 flights tracked

68.5%on-time

DL1223 ATL→IAH: 68.5% on-time over 183 flights (last 12 months) — average. It trails the route average (76.9%) by 8.4 points. Best day to fly: Wed (81.5%); worst: Fri (56.7%). Seasonality matters: Dec is the most reliable month (90.9%), Jun the worst (47.1%). Cancellation rate is 2.2% — have a backup plan. Average arrival delay: 23.4 minutes.

Data: US BTS, last 12 months.

23.4 minavg arrival delay

2.2%cancelled

1diverted

183flights tracked

Arrival delay distribution

Early/on time · 971–60 min · 5761–180 min · 21180+ min · 3

On-time by day of week

Mon

69.0%

Tue

63.0%

Wed

81.5%

Thu

79.3%

Fri

56.7%

Sat

75.0%

Sun

60.7%

On-time by month

90.9%

Dec

56.0%

Jan

80.0%

Feb

83.3%

Mar

88.9%

Apr

70.4%

May

47.1%

Jun

50.0%

Jul

69.2%

Aug

← All flights on ATL–IAH