Flight DL20 from SEA

All recorded departures for DL20 from Seattle-Tacoma International. Select a date to view the full flight details.

Departure dates

• 2026-05-20→ LHR | departed | Delta Air Lines
• 2026-05-19→ LHR | active | Delta Air Lines
• 2026-05-19→ LHR | departed | Delta Air Lines
• 2026-05-17→ LHR | landed | Delta Air Lines
• 2026-05-16→ LHR | landed | Delta Air Lines
• 2026-05-16→ LHR | scheduled | Delta Air Lines
• 2026-05-16→ LHR | landed | Delta Air Lines
• 2026-05-16→ LHR | landed | Delta Air Lines