BHM to BWI flight delays & on-time performance
Nonstop flights from Birmingham-Shuttlesworth International Airport to Baltimore/Washington International Thurgood Marshall Airport · 682 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at BHM or BWI right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Birmingham (BHM) to Baltimore (BWI) arrived on time 81% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1.2% were cancelled, and 6% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 9am did best (100% on time); around 6pm did worst (53%).
- Wednesday was the most reliable day to fly (92% on time) and Saturday the least (71%).
- The largest source of delay minutes was late-arriving aircraft (63%).
Which airline is most on time from BHM to BWI?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Southwest Airlines | 81% | 1.2% | 14 min | 6.0% | 337 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am93%28 flights
- 9am100%16 flights
- 10am98%53 flights
- 12pm82%11 flights
- 1pm81%21 flights
- 2pm73%90 flights
- 3pm87%56 flights
- 4pm69%27 flights
- 6pm53%19 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday72%3.8% cancelled
- Tuesday90%0.0% cancelled
- Wednesday92%0.0% cancelled
- Thursday85%0.0% cancelled
- Friday75%1.9% cancelled
- Saturday71%0.0% cancelled
- Sunday78%1.8% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft63%
- Air traffic control & airport congestion21%
- Airline (crew, maintenance, cleaning, fueling)13%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
BHM to BWI: common questions
- How often are BHM to BWI flights on time?
- 81% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Birmingham to Baltimore cancelled?
- 1.2% of scheduled flights were cancelled (4 of 337).
- How long are typical delays?
- Across all flights the average arrival delay was 14 min (early arrivals count as zero). Flights that were late arrived 66 min behind schedule on average, and 6.0% of flights were an hour or more late.
- How long is taxi time at BHM?
- Flights on this route spent 11 min taxiing from the gate to takeoff on average.
Related routes
Return trip: BWI to BHM — 81% on time
More flights from Birmingham
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: BHM → BWI, nonstop flights by US airlines that report to the DOT. How we calculate this.