- Icelandair begins Boeing 757 service from BWI to Iceland-Stockholm.
- After five years of work, Interstate I-195 opens, connecting BWI directly to I-95, greatly improving access from the Baltimore-Washington metro area.
- BWI ends year with record growth in international passengers (up 34 percent) and freight (up nearly 70 percent) over 1989 totals.
1990 – Icelandair, I-195 & Record Growth