The routes that vanished, and the ones that doubled
Published 2026-11-07 · By Pushbuild · Data: Airline Route Traffic API – US Passengers, Seats and Cargo by Route
Newark–Chicago Midway went from 322,232 passengers in 2019 to 10,282 in 2025 (-96.8%). Bozeman–Denver went from 306,176 to 667,832 (+118%), and Colorado Springs–Denver more than doubled.
“TranStats provides one-stop shopping for intermodal transportation data for researchers, decision-makers, as well as the general public interested in transportation issues.”
— Bureau of Transportation Statistics, T-100 Segment (All Carriers)
Biggest drops (300,000+ passengers in 2019)
| Route | 2019 | 2025 | Change |
|---|---|---|---|
| EWR–MDW | 322,232 | 10,282 | -96.8% |
| FLL–JAX | 352,070 | 26,135 | -92.6% |
| ORD–SJC | 302,313 | 82,040 | -72.9% |
| LAX–OAK | 1,049,034 | 424,754 | -59.5% |
| LAX–SAN | 622,454 | 256,299 | -58.8% |
| LGA–MKE | 300,720 | 139,317 | -53.7% |
| SJC–SNA | 1,021,538 | 484,565 | -52.6% |
| LAX–MCI | 517,784 | 271,375 | -47.6% |
| LAX–STL | 425,349 | 223,276 | -47.5% |
| BUR–SJC | 757,599 | 414,371 | -45.3% |
Biggest gains
| Route | 2019 | 2025 | Change |
|---|---|---|---|
| BZN–DEN | 306,176 | 667,832 | +118.1% |
| COS–DEN | 367,366 | 773,119 | +110.4% |
| MIA–RDU | 310,621 | 645,124 | +107.7% |
| BNA–PHX | 335,679 | 639,992 | +90.7% |
| LAS–ONT | 316,873 | 599,945 | +89.3% |
| DEN–MIA | 433,763 | 789,423 | +82.0% |
| MCO–SEA | 338,786 | 593,674 | +75.2% |
| LAS–MIA | 306,868 | 530,059 | +72.7% |
| AUS–SEA | 304,300 | 523,340 | +72.0% |
| MIA–PHX | 351,863 | 590,995 | +68.0% |
Caveats
Why a route changed (a carrier leaving, a new hub) is not in this data.
Sources
- Bureau of Transportation Statistics, T-100 Segment (All Carriers), read through the Pushbuild Airline Route Traffic API on 2026-11-07
Data as of 2026-11-07. Every figure in this post is in the table above and the CSV below.
Download the data behind this post: b4-t100-route-change-2019-2025.csv
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Every number in this post comes from the Airline Route Traffic API – US Passengers, Seats and Cargo by Route. $0.0008 per row returned; every key gets $1 of free usage each month.
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