Flight OddsDL903 ATL → SEA
Delta Air Lines · Atlanta, GA to Seattle, WA · 268 flights observed, 2025-07-06 to 2026-06-30 · 2,182 mi
DL903 covers more than one route in the data window — the stats below are for ATL → SEA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
80%
Median delay
-5 min
90th percentile
+33 min
Cancellation rate
1%
How often is DL903 on time?
Across 268 flights on ATL → SEA from 2025-07-06 to 2026-06-30, DL903 arrived within 15 minutes of schedule 80% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +33 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 213 | 80% |
| 16-30 min | 24 | 9% |
| 31-60 min | 15 | 6% |
| 61-120 min | 12 | 5% |
| 2+ hrs | 2 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 15 | 67% | +5 min |
| 2025-08 | 27 | 85% | +5 min |
| 2025-09 | 30 | 97% | -13 min |
| 2025-10 | 31 | 87% | -3 min |
| 2025-11 | 29 | 83% | -6 min |
| 2025-12 | 30 | 73% | +6 min |
| 2026-01 | 4 | 75% | -6 min |
| 2026-03 | 14 | 71% | +11 min |
| 2026-04 | 25 | 84% | -3 min |
| 2026-05 | 31 | 58% | +34 min |
| 2026-06 | 30 | 87% | +1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 43 | 79% |
| Tue | 33 | 88% |
| Wed | 32 | 81% |
| Thu | 42 | 74% |
| Fri | 42 | 83% |
| Sat | 31 | 81% |
| Sun | 43 | 77% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…