Flight OddsIAD → ATL Delta Air Lines
Delta Air Lines · Washington, DC to Atlanta, GA · 2,219 flights, 2025-07-01 to 2026-06-30 · aggregated across 19 flight numbers
On-time arrival
82%
Median delay
-12 min
90th percentile
+46 min
Cancellation rate
3%
How on-time is Delta Air Lines from IAD to ATL?
Across every Delta Air Lines flight number on IAD → ATL (2,219 flights, 2025-07-01 to 2026-06-30), 82% arrived within 15 minutes of schedule. Median arrival delay -12 min; the worst 10% ran +46 min or later. 3% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,750 | 82% |
| 16-30 min | 120 | 6% |
| 31-60 min | 119 | 6% |
| 61-120 min | 70 | 3% |
| 2+ hrs | 87 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 182 | 68% | +25 min |
| 2025-08 | 186 | 78% | +8 min |
| 2025-09 | 178 | 87% | +1 min |
| 2025-10 | 192 | 82% | +1 min |
| 2025-11 | 174 | 84% | -1 min |
| 2025-12 | 177 | 75% | +13 min |
| 2026-01 | 148 | 82% | +7 min |
| 2026-02 | 156 | 89% | -4 min |
| 2026-03 | 175 | 81% | +14 min |
| 2026-04 | 189 | 91% | -9 min |
| 2026-05 | 200 | 82% | +2 min |
| 2026-06 | 189 | 81% | +2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 317 | 79% |
| Tue | 317 | 85% |
| Wed | 312 | 81% |
| Thu | 325 | 87% |
| Fri | 321 | 79% |
| Sat | 250 | 85% |
| Sun | 304 | 76% |
DL flight numbers on IAD → ATL
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…