Flight OddsDL1529 IAH → DTW
Delta Air Lines · Houston, TX to Detroit, MI · 137 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 IAH → DTW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
69%
Median delay
-2 min
90th percentile
+66 min
Cancellation rate
1%
How often is DL1529 on time?
Across 137 flights on IAH → DTW from 2025-07-06 to 2026-06-30, DL1529 arrived within 15 minutes of schedule 69% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +66 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 92 | 69% |
| 16-30 min | 13 | 10% |
| 31-60 min | 14 | 10% |
| 61-120 min | 11 | 8% |
| 2+ hrs | 4 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 22 | 73% | +50 min |
| 2025-08 | 19 | 68% | +16 min |
| 2025-09 | 17 | 82% | -6 min |
| 2025-10 | 4 | 75% | +42 min |
| 2026-03 | 20 | 50% | +33 min |
| 2026-04 | 26 | 65% | +4 min |
| 2026-05 | 5 | 80% | -1 min |
| 2026-06 | 21 | 71% | +7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 22 | 64% |
| Tue | 22 | 82% |
| Wed | 22 | 73% |
| Thu | 22 | 59% |
| Fri | 22 | 59% |
| Sat | No data | — |
| Sun | 24 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…