Flight OddsATL → IAD Delta Air Lines
Delta Air Lines · Atlanta, GA to Washington, DC · 2,219 flights, 2025-07-01 to 2026-06-30 · aggregated across 15 flight numbers
On-time arrival
79%
Median delay
-2 min
90th percentile
+50 min
Cancellation rate
3%
How on-time is Delta Air Lines from ATL to IAD?
Across every Delta Air Lines flight number on ATL → IAD (2,219 flights, 2025-07-01 to 2026-06-30), 79% arrived within 15 minutes of schedule. Median arrival delay -2 min; the worst 10% ran +50 min or later. 3% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,692 | 79% |
| 16-30 min | 146 | 7% |
| 31-60 min | 144 | 7% |
| 61-120 min | 96 | 4% |
| 2+ hrs | 77 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 186 | 66% | +34 min |
| 2025-08 | 186 | 75% | +18 min |
| 2025-09 | 179 | 83% | +9 min |
| 2025-10 | 193 | 81% | +10 min |
| 2025-11 | 175 | 81% | +9 min |
| 2025-12 | 177 | 67% | +21 min |
| 2026-01 | 148 | 77% | +8 min |
| 2026-02 | 157 | 85% | +11 min |
| 2026-03 | 174 | 78% | +20 min |
| 2026-04 | 190 | 85% | +5 min |
| 2026-05 | 200 | 82% | +8 min |
| 2026-06 | 190 | 82% | +4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 323 | 77% |
| Tue | 319 | 78% |
| Wed | 312 | 79% |
| Thu | 325 | 83% |
| Fri | 316 | 74% |
| Sat | 253 | 83% |
| Sun | 307 | 77% |
DL flight numbers on ATL → IAD
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…