Flight OddsATL → SEA Delta Air Lines
Delta Air Lines · Atlanta, GA to Seattle, WA · 2,371 flights, 2025-07-01 to 2026-06-30 · aggregated across 16 flight numbers
On-time arrival
80%
Median delay
-4 min
90th percentile
+33 min
Cancellation rate
0%
How on-time is Delta Air Lines from ATL to SEA?
Across every Delta Air Lines flight number on ATL → SEA (2,371 flights, 2025-07-01 to 2026-06-30), 80% arrived within 15 minutes of schedule. Median arrival delay -4 min; the worst 10% ran +33 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,879 | 80% |
| 16-30 min | 212 | 9% |
| 31-60 min | 152 | 6% |
| 61-120 min | 67 | 3% |
| 2+ hrs | 42 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 252 | 80% | +1 min |
| 2025-08 | 225 | 82% | +4 min |
| 2025-09 | 202 | 90% | -7 min |
| 2025-10 | 212 | 86% | -4 min |
| 2025-11 | 177 | 88% | -4 min |
| 2025-12 | 182 | 65% | +15 min |
| 2026-01 | 156 | 78% | +3 min |
| 2026-02 | 141 | 75% | +6 min |
| 2026-03 | 164 | 69% | +15 min |
| 2026-04 | 192 | 89% | -3 min |
| 2026-05 | 216 | 76% | +8 min |
| 2026-06 | 233 | 77% | +10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 342 | 78% |
| Tue | 338 | 80% |
| Wed | 332 | 79% |
| Thu | 340 | 81% |
| Fri | 335 | 78% |
| Sat | 321 | 83% |
| Sun | 344 | 81% |
DL flight numbers on ATL → SEA
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…