John Glenn Columbus International ⇄ Seattle-Tacoma International CMH–SEA
Airlines flew 929 flights between John Glenn Columbus International CMH in Columbus, OH and Seattle-Tacoma International SEA in Seattle, WA in the twelve months to July 2026, both directions together: 133,980 passengers in 163,729 seats, 82% of them filled, and 92,818 pounds of freight. 2,016 miles, about 276 minutes in the air, on 6 airlines: Alaska Airlines Inc. (917), United Air Lines Inc. (4), American Airlines Inc. (2), Delta Air Lines Inc. (2) and 2 more. Planning to fly it yourself? The weather and winds along this route right now.
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 1/25 | 47 |
| 2/25 | 44 |
| 3/25 | 56 |
| 4/25 | 60 |
| 5/25 | 97 |
| 6/25 | 121 |
| 7/25 | 124 |
| 8/25 | 114 |
| 9/25 | 108 |
| 10/25 | 66 |
| 11/25 | 58 |
| 12/25 | 62 |
| 1/26 | 44 |
| 2/26 | 40 |
| 3/26 | 52 |
| 4/26 | 59 |
| 5/26 | 89 |
| 6/26 | 114 |
| 7/26 | 123 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 6,213 |
| 2/25 | 5,282 |
| 3/25 | 8,218 |
| 4/25 | 8,407 |
| 5/25 | 13,919 |
| 6/25 | 17,884 |
| 7/25 | 19,841 |
| 8/25 | 17,806 |
| 9/25 | 15,649 |
| 10/25 | 9,597 |
| 11/25 | 8,238 |
| 12/25 | 8,728 |
| 1/26 | 5,636 |
| 2/26 | 5,265 |
| 3/26 | 7,459 |
| 4/26 | 7,856 |
| 5/26 | 12,124 |
| 6/26 | 16,785 |
| 7/26 | 18,837 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Alaska Airlines Inc. AS | 917 | 132,136 | 82% | scheduled passenger service |
| United Air Lines Inc. UA | 4 | 683 | 64% | charter passenger service, scheduled passenger service |
| American Airlines Inc. AA | 2 | 267 | 78% | scheduled passenger service |
| Delta Air Lines Inc. DL | 2 | 243 | 92% | scheduled passenger service |
| Allegiant Air G4 | 2 | 317 | 88% | charter passenger service |
| Southwest Airlines Co. WN | 2 | 334 | 95% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Boeing 737-900ER | 455 | 178 | 66,539 |
| Boeing B737 Max 900 | 355 | 178 | 51,343 |
| Boeing 737-800 | 91 | 161 | 11,930 |
| Boeing B737 Max 800 | 22 | 162 | 3,244 |
| Boeing 777-200ER/200LR/233LR | 2 | 364 | 364 |
| Airbus Industrie A320-100/200 | 2 | 180 | 317 |
| Airbus Industrie A319 | 2 | 132 | 243 |
CMH → SEA this direction alone · flown January 2025 to July 2026
462 flights of 466 scheduled, 65,371 passengers in 81,428 seats, 37,060 pounds of freight, 362 pounds of mail. Alaska Airlines Inc. 456; United Air Lines Inc. 2; American Airlines Inc. 1; Delta Air Lines Inc. 1; Allegiant Air 1; Southwest Airlines Co. 1.
SEA → CMH this direction alone · flown January 2025 to July 2026
467 flights of 468 scheduled, 68,609 passengers in 82,301 seats, 55,758 pounds of freight, 6,520 pounds of mail. Alaska Airlines Inc. 461; United Air Lines Inc. 2; American Airlines Inc. 1; Delta Air Lines Inc. 1; Allegiant Air 1; Southwest Airlines Co. 1.
Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: John Glenn Columbus International CMH and Seattle-Tacoma International SEA; all routes.