Airports · Buffalo Niagara International Airport
Flights from Buffalo (BUF)
Airlines flew 25,668 departures out of Buffalo Niagara International Airport (BUF) carrying 2,515,896 passengers over the 12 months through April 2026. Here's what actually flew — the busiest routes, the carriers, and the aircraft — from US DOT T-100 filings.
What flies from Buffalo
US DOT T-100 · filed dataWhat airlines actually flew out of Buffalo — departures, seats, and passengers filed with the US DOT (T-100) over the trailing 12 months, not a schedule.
Departures
25,668
April 2026
Seats flown
3,132,058
Passengers
2,515,896
Load factor
80.3%
passengers ÷ seats
Busiest routes from Buffalo
Where flights from Buffalo go most, by departures over the trailing 12 months.
2,523 departures · 222,088 passengers
81.2%
Load
2,498 departures · 195,460 passengers
79.5%
Load
2,151 departures · 129,471 passengers
83.0%
Load
1,773 departures · 261,038 passengers
85.7%
Load
1,700 departures · 208,101 passengers
76.6%
Load
1,481 departures · 109,862 passengers
81.2%
Load
1,418 departures · 214,089 passengers
81.3%
Load
1,305 departures · 60,667 passengers
81.9%
Load
1,194 departures · 165,619 passengers
81.8%
Load
1,154 departures · 55,558 passengers
85.8%
Load
1,144 departures · 62,769 passengers
78.0%
Load
1,082 departures · 98,717 passengers
74.9%
Load
997 departures · 54,235 passengers
77.8%
Load
803 departures · 96,442 passengers
70.5%
Load
793 departures · 99,174 passengers
77.9%
Load
Airlines at Buffalo
Ranked by seats flown — the capacity each carrier actually operated out of Buffalo.
- WN
919,687 seats · 79.0% load
29.4%
Share
- B6
486,287 seats · 81.6% load
15.5%
Share
- AA
353,838 seats · 81.5% load
11.3%
Share
- DL
305,379 seats · 81.1% load
9.8%
Share
- YX
217,630 seats · 80.1% load
6.9%
Share
- F9
176,890 seats · 75.5% load
5.6%
Share
- 9E
161,764 seats · 83.9% load
5.2%
Share
- UA
155,242 seats · 79.5% load
5.0%
Share
- OH
59,826 seats · 77.7% load
1.9%
Share
- G7
58,500 seats · 85.0% load
1.9%
Share
Aircraft flown from Buffalo
Aircraft types by share of departures — what actually operated, not what's based here.
3,718 departures · 80.2% load
14.5%
Share
3,094 departures · 79.3% load
12.0%
Share
2,796 departures · 82.3% load
10.9%
Share
2,144 departures · 79.2% load
8.3%
Share
2,093 departures · 80.1% load
8.2%
Share
1,856 departures · 82.4% load
7.2%
Share
1,733 departures · 89.3% load
6.8%
Share
1,715 departures · 79.5% load
6.7%
Share
Bombardier CRJ-550
1,247 departures · 84.5% load
4.9%
Share
1,130 departures · 80.8% load
4.4%
Share
852 departures · 78.0% load
3.3%
Share
766 departures · 81.2% load
3.0%
Share
Monthly departures from Buffalo
Monthly departures from Buffalo, trailing 12 months through April 2026. Bars scale to the busiest month.
May 2025
2,287 departures · 222,375 passengers
79.8%
Load
June 2025
2,280 departures · 219,614 passengers
78.3%
Load
July 2025
2,377 departures · 258,675 passengers
86.0%
Load
August 2025
2,488 departures · 269,224 passengers
87.7%
Load
September 2025
2,236 departures · 224,642 passengers
81.3%
Load
October 2025
2,340 departures · 238,822 passengers
82.0%
Load
November 2025
2,092 departures · 196,809 passengers
76.3%
Load
December 2025
1,897 departures · 184,584 passengers
78.6%
Load
January 2026
1,696 departures · 151,463 passengers
76.8%
Load
February 2026
1,733 departures · 162,183 passengers
78.4%
Load
March 2026
2,081 departures · 194,700 passengers
79.6%
Load
April 2026
2,161 departures · 192,805 passengers
75.3%
Load
Source: US DOT Bureau of Transportation Statistics, T-100 Segment. Data through April 2026. The DOT publishes roughly three months in arrears.