The minimum connection time at BWI is 45 minutes for domestic flights and 90 minutes for international connections. BWI has an on-time arrival rate of 79%. When flights are delayed, the average delay is 60 minutes.
BWI Minimum Connection Time
Baltimore/Washington International — Baltimore
Official Minimum Connection Time at BWI
45m
Domestic Minimum
90m
International Minimum
Getting Between Terminals at BWI
Terminals: Terminal A (Concourse A) | Terminal B (Concourse B) | Terminal C (Concourse C) | Terminal D (Concourse D) | Terminal E (Concourse E)
How to transfer: Walking between all concourses; all connected airside
Transfer time: 5-12 minutes between concourses
✓TSA re-screening: Not required between terminals — All concourses are connected post-security via walkways. No re-screening needed.
Terminal-to-Terminal Walk Times at BWI
| From | To | Time |
|---|---|---|
| Concourse A | Concourse C | 5-7 min |
| Concourse A | Concourse E | 10-12 min |
Miss Rate by Layover Time at BWI
Miss rate = estimated % chance of missing your connection based on BTS delay data. Click any row for details.
Check Your Specific Layover at BWI
Enter your exact connection time and travel month for a personalized risk assessment.
Pro Tips for Connecting at BWI
→Southwest dominates BWI and operates from Concourses A, B, and C. Most Southwest connections stay within adjacent concourses.
→BWI is a compact airport. Even the longest walk between gates takes about 12 minutes.
→BWI handles weather reasonably well for the Mid-Atlantic region, though winter storms can cause delays.
→Book both legs on the same ticket. If you miss your connection, the airline must rebook you at no charge. Separate tickets mean you're on your own.
→Choose morning flights for your first leg. Flights before 8 AM are delayed significantly less than afternoon flights.
→Avoid checking bags on tight connections. Carry-on only gives you maximum flexibility if you need to switch flights.