DL1143
Delta Air Lines flight 1143 — Los Angeles (LAX) to Houston (IAH)
On time
84%
Avg delay
~69 min
Cancelled
0.8%
DL1143 is a reliable flight. About 84% of departures arrive on time. When delays happen, the most common cause is airline operations.
Monthly breakdown
| Month | On time | Cancelled | Avg delay |
|---|---|---|---|
| 2026-07 | 71% | 0.0% | 48 min |
| 2026-07 | 74% | 0.0% | 47 min |
| 2026-06 | 70% | 0.0% | 94 min |
| 2026-06 | 87% | 0.0% | 39 min |
| 2026-05 | 90% | 0.0% | 138 min |
| 2026-05 | 77% | 0.0% | 65 min |
| 2026-04 | 83% | 0.0% | 104 min |
| 2026-03 | 87% | 3.2% | 50 min |
| 2026-02 | 82% | 0.0% | 47 min |
| 2026-01 | 67% | 0.0% | 189 min |
| 2026-01 | 93% | 3.2% | 62 min |
| 2025-12 | 75% | 11.1% | 253 min |
Top delay cause
airline operations
Based on 1,772 tracked departures
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Get a free briefingData last updated October 2026. Source: Bureau of Transportation Statistics.