Columbus (CMH) to Baltimore (BWI) flights

Southwest Airlines flies nonstop from John Glenn Columbus International Airport to Baltimore/Washington International Thurgood Marshall Airport, with about 19 flights a week in July 2026. The 337-mile flight takes about 1h 12m gate to gate.

From
CMH
Columbus
John Glenn Columbus International Airport
To
BWI
Baltimore
Baltimore/Washington International Thurgood Marshall Airport
Distance
337 mi · 542 km
Flight time
1h 12m
Airlines
1
Seats filled
68%
Flights a week, July 2026
1,031 flights and 114,334 passengers in 12 months
BWIBWICMH
Map data: Natural Earth. Lines follow the shortest (great-circle) path.

Airlines flying CMH to BWI

AirlineFlights a weekAircraftPassengers (12 months)Flight time
Southwest Airlines19Boeing 737 MAX 8, Boeing 737-700 / MAX 7, Boeing 737-800114,3341h 12m

Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.

CMH to BWI flight schedule

9 flight numbers flew this route in August 2026, 1 of them almost daily. The first usually leaves at 6:00am and the last at 4:35pm. Times are local and can change; check with the airline before you book.

FlightDepartsArrivesDays flown in August 2026On time (12 months)
WN 611Southwest Airlines6:00am7:20am2496%
WN 1675Southwest Airlines6:05am7:25am4n/a
WN 4244Southwest Airlines9:20am10:40am4n/a
WN 1070Southwest Airlines9:50am11:05am1292%
WN 4019Southwest Airlines10:50am12:10pm8n/a
WN 1163Southwest Airlines3:15pm4:40pm8n/a
WN 582Southwest Airlines3:20pm4:45pm4n/a
WN 159Southwest Airlines3:50pm5:15pm1273%
WN 366Southwest Airlines4:35pm5:55pm4n/a

Is CMH to BWI on time?

From September 2025 to August 2026, 87% of 1,044 flights arrived within 15 minutes of schedule and 1.5% were cancelled. Flights leaving around 5am were the most punctual (98%), those around 5pm the least (70%). Most delay time was caused by late-arriving aircraft (53%).

AirlineFlightsOn timeAverage delayCancelled
Southwest Airlines1,04487%10 min1.5%

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

Scheduled departureFlightsOn time, relativeOn time
5am to 6am244
98%
6am to 7am122
95%
8am to 9am23
96%
9am to 10am95
95%
10am to 11am81
90%
11am to 12pm32
97%
12pm to 1pm45
82%
1pm to 2pm24
92%
3pm to 4pm94
87%
4pm to 5pm104
73%
5pm to 6pm99
70%
8pm to 9pm47
66%

Flights by month

MonthFlightsFlights, relativePassengers
August 202590
9,814
September 202590
10,489
October 202598
11,103
November 202591
9,309
December 202593
9,020
January 202666
5,661
February 202668
6,497
March 202691
10,553
April 202686
9,122
May 202688
10,673
June 202687
11,566
July 202684
10,698

Related

Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.