| Common Hub(s) | Total Time | Notes |
|---|---|---|
| ORD → ICN/NRT/HND → DPS | 24–28 hr | Korean Air, Asiana, ANA, JAL via Seoul/Tokyo |
| DTW/ATL → ICN → DPS | 25–30 hr | Delta/Korean Air partnership |
| EWR/JFK → DXB/DOH → DPS | 26–32 hr | Emirates/Qatar via Middle East |
| PIT → ORD/ATL → (Asia hub) → DPS | 28–36+ hr | Domestic leg adds 2–4 hr + layover |