Flight OddsORD → SEA Delta Air Lines
Delta Air Lines · Chicago, IL to Seattle, WA · 902 flights, 2025-07-01 to 2026-06-30 · aggregated across 12 flight numbers
On-time arrival
70%
Median delay
+1 min
90th percentile
+50 min
Cancellation rate
1%
How on-time is Delta Air Lines from ORD to SEA?
Across every Delta Air Lines flight number on ORD → SEA (902 flights, 2025-07-01 to 2026-06-30), 70% arrived within 15 minutes of schedule. Median arrival delay +1 min; the worst 10% ran +50 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 616 | 70% |
| 16-30 min | 111 | 13% |
| 31-60 min | 91 | 10% |
| 61-120 min | 37 | 4% |
| 2+ hrs | 29 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 87 | 78% | +5 min |
| 2025-08 | 77 | 74% | +21 min |
| 2025-09 | 72 | 88% | -9 min |
| 2025-10 | 86 | 74% | +12 min |
| 2025-11 | 77 | 61% | +35 min |
| 2025-12 | 70 | 40% | +35 min |
| 2026-01 | 57 | 61% | +28 min |
| 2026-02 | 49 | 71% | +6 min |
| 2026-03 | 55 | 44% | +32 min |
| 2026-04 | 74 | 77% | +8 min |
| 2026-05 | 92 | 72% | +5 min |
| 2026-06 | 88 | 82% | +6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 134 | 67% |
| Tue | 130 | 72% |
| Wed | 128 | 68% |
| Thu | 131 | 72% |
| Fri | 130 | 71% |
| Sat | 102 | 76% |
| Sun | 129 | 63% |
DL flight numbers on ORD → SEA
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…