Flight OddsIAH → DTW Delta Air Lines
Delta Air Lines · Houston, TX to Detroit, MI · 1,322 flights, 2025-07-01 to 2026-06-30 · aggregated across 13 flight numbers
On-time arrival
83%
Median delay
-8 min
90th percentile
+33 min
Cancellation rate
1%
How on-time is Delta Air Lines from IAH to DTW?
Across every Delta Air Lines flight number on IAH → DTW (1,322 flights, 2025-07-01 to 2026-06-30), 83% arrived within 15 minutes of schedule. Median arrival delay -8 min; the worst 10% ran +33 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,080 | 83% |
| 16-30 min | 90 | 7% |
| 31-60 min | 63 | 5% |
| 61-120 min | 37 | 3% |
| 2+ hrs | 36 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 113 | 79% | +25 min |
| 2025-08 | 111 | 79% | +7 min |
| 2025-09 | 107 | 91% | -3 min |
| 2025-10 | 116 | 90% | -1 min |
| 2025-11 | 106 | 89% | -3 min |
| 2025-12 | 105 | 84% | +6 min |
| 2026-01 | 90 | 80% | +14 min |
| 2026-02 | 96 | 86% | +4 min |
| 2026-03 | 116 | 74% | +9 min |
| 2026-04 | 116 | 84% | -2 min |
| 2026-05 | 117 | 81% | +3 min |
| 2026-06 | 113 | 76% | +4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 190 | 82% |
| Tue | 196 | 85% |
| Wed | 191 | 85% |
| Thu | 191 | 83% |
| Fri | 192 | 82% |
| Sat | 157 | 80% |
| Sun | 189 | 81% |
DL flight numbers on IAH → DTW
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…