DL1529 DTW → IAH
Delta Air Lines · Detroit, MI to Houston, TX · 201 flights observed, 2025-07-06 to 2026-06-30 · 1,075 mi
DL1529 covers more than one route in the data window — the stats below are for DTW → IAH, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
71%
Median delay
-1 min
90th percentile
+61 min
Cancellation rate
0%
How often is DL1529 on time?
Across 201 flights on DTW → IAH from 2025-07-06 to 2026-06-30, DL1529 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +61 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 141 | 71% |
| 16-30 min | 17 | 9% |
| 31-60 min | 20 | 10% |
| 61-120 min | 13 | 7% |
| 2+ hrs | 8 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 25 | 72% | +18 min |
| 2025-08 | 29 | 76% | +13 min |
| 2025-09 | 27 | 89% | -2 min |
| 2025-10 | 23 | 83% | -2 min |
| 2025-11 | 19 | 84% | +4 min |
| 2025-12 | 17 | 35% | +42 min |
| 2026-03 | 23 | 70% | +17 min |
| 2026-04 | 12 | 58% | +12 min |
| 2026-06 | 24 | 54% | +17 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 31 | 74% |
| Tue | 31 | 77% |
| Wed | 30 | 60% |
| Thu | 30 | 70% |
| Fri | 29 | 66% |
| Sat | 16 | 69% |
| Sun | 32 | 78% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…