Flight OddsDTW → IAD Delta Air Lines
Delta Air Lines · Detroit, MI to Washington, DC · 1,172 flights, 2025-07-01 to 2026-06-30 · aggregated across 35 flight numbers
On-time arrival
73%
Median delay
-4 min
90th percentile
+77 min
Cancellation rate
1%
How on-time is Delta Air Lines from DTW to IAD?
Across every Delta Air Lines flight number on DTW → IAD (1,172 flights, 2025-07-01 to 2026-06-30), 73% arrived within 15 minutes of schedule. Median arrival delay -4 min; the worst 10% ran +77 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 846 | 73% |
| 16-30 min | 73 | 6% |
| 31-60 min | 80 | 7% |
| 61-120 min | 80 | 7% |
| 2+ hrs | 73 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 112 | 70% | +30 min |
| 2025-08 | 113 | 77% | +10 min |
| 2025-09 | 107 | 90% | +2 min |
| 2025-10 | 116 | 85% | +5 min |
| 2025-11 | 87 | 75% | +15 min |
| 2025-12 | 86 | 50% | +63 min |
| 2026-01 | 85 | 45% | +44 min |
| 2026-02 | 83 | 64% | +20 min |
| 2026-03 | 91 | 59% | +42 min |
| 2026-04 | 90 | 88% | +3 min |
| 2026-05 | 93 | 87% | +4 min |
| 2026-06 | 89 | 82% | +10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 165 | 65% |
| Tue | 171 | 77% |
| Wed | 166 | 78% |
| Thu | 165 | 75% |
| Fri | 167 | 73% |
| Sat | 154 | 79% |
| Sun | 164 | 67% |
DL flight numbers on DTW → IAD
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…