Flight OddsDL1389 IAH → DTW
Delta Air Lines · Houston, TX to Detroit, MI · 365 flights observed, 2025-07-01 to 2026-06-30 · 1,075 mi
On-time arrival
90%
Median delay
-10 min
90th percentile
+13 min
Cancellation rate
1%
How often is DL1389 on time?
Across 365 flights on IAH → DTW from 2025-07-01 to 2026-06-30, DL1389 arrived within 15 minutes of schedule 90% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +13 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 | 325 | 90% |
| 16-30 min | 21 | 6% |
| 31-60 min | 4 | 1% |
| 61-120 min | 3 | 1% |
| 2+ hrs | 7 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 94% | +2 min |
| 2025-08 | 31 | 84% | +3 min |
| 2025-09 | 30 | 90% | -7 min |
| 2025-10 | 31 | 90% | +2 min |
| 2025-11 | 29 | 100% | -6 min |
| 2025-12 | 30 | 90% | -10 min |
| 2026-01 | 30 | 87% | +36 min |
| 2026-02 | 28 | 82% | +14 min |
| 2026-03 | 29 | 76% | +3 min |
| 2026-04 | 30 | 97% | -11 min |
| 2026-05 | 31 | 100% | -11 min |
| 2026-06 | 30 | 93% | -10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 50 | 90% |
| Tue | 53 | 91% |
| Wed | 52 | 94% |
| Thu | 52 | 88% |
| Fri | 51 | 92% |
| Sat | 52 | 87% |
| Sun | 50 | 90% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…