09 APR 2026 routes
IAD–FRA: LH Allegris vs UA Polaris — 2026 Review
We flew IAD-FRA on LH419 in Allegris Business Suite Plus, then back on UA987 in Polaris on the 787-9. The 2026 review of the Washington Dulles to Frankfurt corridor, the alliance lounge stack at IAD, and what to book.