Knoxville/Maryville (TYS) to Baltimore (BWI) flights
Southwest Airlines flies nonstop from McGhee Tyson Airport to Baltimore/Washington International Thurgood Marshall Airport, with about 7 flights a week in July 2026. The 464-mile flight takes about 1h 32m gate to gate.
- Distance
- 464 mi · 747 km
- Flight time
- 1h 32m
- Airlines
- 1
- Seats filled
- 79%
Airlines flying TYS to BWI
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 7 | Boeing 737-700 / MAX 7 | 15,954 | 1h 32m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
TYS to BWI flight schedule
2 flight numbers flew this route in August 2026. The first usually leaves at 8:05am and the last at 8:25am. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| WN 3973Southwest Airlines | 8:05am | 9:45am | 16 | 100% |
| WN 920Southwest Airlines | 8:25am | 10:10am | 12 | 100% |
Is TYS to BWI on time?
From September 2025 to August 2026, 93% of 179 flights arrived within 15 minutes of schedule and 0% were cancelled. Flights leaving around 8am were the most punctual (96%), those around 7am the least (90%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (92%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 179 | 93% | 6 min | 0% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| October 2025 | 1 | 45 | |
| March 2026 | 27 | 2,380 | |
| April 2026 | 30 | 3,116 | |
| May 2026 | 31 | 3,606 | |
| June 2026 | 30 | 3,540 | |
| July 2026 | 31 | 3,335 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.