Flight OddsSEA → ATL Delta Air Lines
Delta Air Lines · Seattle, WA to Atlanta, GA · 2,371 flights, 2025-07-01 to 2026-06-30 · aggregated across 15 flight numbers
On-time arrival
84%
Median delay
-8 min
90th percentile
+30 min
Cancellation rate
1%
How on-time is Delta Air Lines from SEA to ATL?
Across every Delta Air Lines flight number on SEA → ATL (2,371 flights, 2025-07-01 to 2026-06-30), 84% arrived within 15 minutes of schedule. Median arrival delay -8 min; the worst 10% ran +30 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,986 | 84% |
| 16-30 min | 133 | 6% |
| 31-60 min | 115 | 5% |
| 61-120 min | 49 | 2% |
| 2+ hrs | 68 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 254 | 77% | +15 min |
| 2025-08 | 224 | 84% | +0 min |
| 2025-09 | 204 | 89% | +8 min |
| 2025-10 | 212 | 87% | +1 min |
| 2025-11 | 175 | 89% | -3 min |
| 2025-12 | 182 | 78% | +8 min |
| 2026-01 | 156 | 87% | +2 min |
| 2026-02 | 139 | 88% | -6 min |
| 2026-03 | 162 | 82% | +2 min |
| 2026-04 | 191 | 88% | +1 min |
| 2026-05 | 217 | 81% | +14 min |
| 2026-06 | 235 | 86% | +7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 338 | 83% |
| Tue | 339 | 88% |
| Wed | 329 | 89% |
| Thu | 340 | 85% |
| Fri | 336 | 81% |
| Sat | 324 | 85% |
| Sun | 345 | 80% |
DL flight numbers on SEA → ATL
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…