General Edward Lawrence Logan International ⇄ St. Louis Lambert International BOS–STL
Airlines flew 3,168 flights between General Edward Lawrence Logan International BOS in Boston, MA and St. Louis Lambert International STL in St Louis, MO in the twelve months to July 2026, both directions together: 323,212 passengers in 413,134 seats, 78% of them filled, and 644,481 pounds of freight. 1,047 miles, about 157 minutes in the air, on 6 airlines: Southwest Airlines Co. (1,847), Envoy Air (755), Republic Airline (562), 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 | 184 |
| 2/25 | 174 |
| 3/25 | 234 |
| 4/25 | 278 |
| 5/25 | 296 |
| 6/25 | 289 |
| 7/25 | 292 |
| 8/25 | 291 |
| 9/25 | 281 |
| 10/25 | 297 |
| 11/25 | 279 |
| 12/25 | 291 |
| 1/26 | 192 |
| 2/26 | 182 |
| 3/26 | 233 |
| 4/26 | 268 |
| 5/26 | 283 |
| 6/26 | 286 |
| 7/26 | 285 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 12,904 |
| 2/25 | 13,050 |
| 3/25 | 20,782 |
| 4/25 | 28,141 |
| 5/25 | 31,468 |
| 6/25 | 31,316 |
| 7/25 | 32,064 |
| 8/25 | 33,247 |
| 9/25 | 29,660 |
| 10/25 | 34,173 |
| 11/25 | 29,311 |
| 12/25 | 29,463 |
| 1/26 | 15,281 |
| 2/26 | 13,377 |
| 3/26 | 20,922 |
| 4/26 | 25,938 |
| 5/26 | 29,207 |
| 6/26 | 30,317 |
| 7/26 | 32,316 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Southwest Airlines Co. WN | 1,847 | 247,476 | 79% | scheduled passenger service |
| Envoy Air MQ | 755 | 45,044 | 79% | scheduled passenger service |
| Republic Airline YX | 562 | 30,339 | 71% | scheduled passenger service |
| Delta Air Lines Inc. DL | 2 | 160 | 67% | scheduled passenger service |
| American Airlines Inc. AA | 1 | 125 | 98% | scheduled passenger service |
| United Air Lines Inc. UA | 1 | 68 | 38% | charter passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Embraer ERJ-175 | 1,314 | 76 | 75,202 |
| Boeing B737 Max 800 | 893 | 175 | 122,456 |
| Boeing 737-800 | 646 | 175 | 88,946 |
| Boeing 737-700/700LR/Max 7 | 308 | 141 | 36,074 |
| Embraer-Emb-170 | 3 | 65 | 181 |
| Airbus Industrie A319 | 1 | 128 | 125 |
| A200-100 BD-500-1A10 | 1 | 109 | 71 |
| A220-300 BD-500-1A11 | 1 | 130 | 89 |
| Boeing B737 Max 900 | 1 | 179 | 68 |
BOS → STL this direction alone · flown January 2025 to July 2026
1,584 flights of 1,610 scheduled, 158,368 passengers in 206,321 seats, 453,388 pounds of freight, 529 pounds of mail. Southwest Airlines Co. 922; Envoy Air 379; Republic Airline 280; Delta Air Lines Inc. 2; American Airlines Inc. 1.
STL → BOS this direction alone · flown January 2025 to July 2026
1,584 flights of 1,612 scheduled, 164,844 passengers in 206,813 seats, 191,093 pounds of freight. Southwest Airlines Co. 925; Envoy Air 376; Republic Airline 282; United Air Lines Inc. 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: General Edward Lawrence Logan International BOS and St. Louis Lambert International STL; all routes.