DL1143 LAX → IAH

Delta Air Lines · Los Angeles, CA to Houston, TX · 365 flights observed, 2025-07-01 to 2026-06-30 · 1,379 mi

DL1143 covers more than one route in the data window — the stats below are for LAX → IAH, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
88%
Median delay
-9 min
90th percentile
+21 min
Cancellation rate
1%

How often is DL1143 on time?

Across 365 flights on LAX → IAH from 2025-07-01 to 2026-06-30, DL1143 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +21 min or later. 1% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time31488%
16-30 min154%
31-60 min144%
61-120 min93%
2+ hrs62%

Performance by month

MonthFlightsOn-timeAvg delay
2025-072889%-8 min
2025-083194%-6 min
2025-093093%-2 min
2025-103190%-10 min
2025-113087%+2 min
2025-123190%+12 min
2026-013093%-4 min
2026-022882%-1 min
2026-032986%+3 min
2026-043083%+9 min
2026-053177%+8 min
2026-062986%+2 min

Performance by day of week

DayFlightsOn-time
Mon5294%
Tue5285%
Wed4990%
Thu5294%
Fri5088%
Sat5279%
Sun5184%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…