Seattle (SEA) to Columbus (CMH) flights
Alaska Airlines flies nonstop from Seattle-Tacoma International Airport to John Glenn Columbus International Airport, with about 14 flights a week in July 2026. The 2,016-mile flight takes about 4h 22m gate to gate.
- Distance
- 2,016 mi · 3,244 km
- Flight time
- 4h 22m
- Airlines
- 1
- Seats filled
- 84%
Airlines flying SEA to CMH
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Alaska Airlines | 14 | Boeing 737-900ER, Boeing 737 MAX 9, Boeing 737-800 | 67,623 | 4h 22m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
SEA to CMH flight schedule
2 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 9:41am and the last at 10:12pm. 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) |
|---|---|---|---|---|
| AS 450Alaska Airlines | 9:41am | 5:09pm | 31 | 81% |
| AS 280Alaska Airlines | 10:12pm | 5:40am | 31 | 88% |
Is SEA to CMH on time?
From September 2025 to August 2026, 82% of 469 flights arrived within 15 minutes of schedule and 0.4% were cancelled. Flights leaving around 10pm were the most punctual (86%), those around 9am the least (77%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (42%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Alaska Airlines | 465 | 82% | 9 min | 0.4% |
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 departure | Flights | On time, relative | On time |
|---|---|---|---|
| 9am to 10am | 85 | 77% | |
| 10am to 11am | 172 | 84% | |
| 11am to 12pm | 91 | 82% | |
| 9pm to 10pm | 32 | 81% | |
| 10pm to 11pm | 89 | 86% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 57 | 9,247 | |
| September 2025 | 52 | 7,815 | |
| October 2025 | 33 | 5,033 | |
| November 2025 | 29 | 4,163 | |
| December 2025 | 31 | 4,340 | |
| January 2026 | 22 | 2,992 | |
| February 2026 | 20 | 2,742 | |
| March 2026 | 26 | 3,853 | |
| April 2026 | 30 | 4,275 | |
| May 2026 | 45 | 5,807 | |
| June 2026 | 57 | 8,608 | |
| July 2026 | 62 | 9,389 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.