Most delayed flights from BUF: every route ranked

17 regularly flown nonstop routes from Buffalo Niagara International Airport, worst on-time record first (Aug 2025 – Jul 2026). Routes with fewer than 360 flights in the period are listed separately.

#	Destination	On time	Cancelled	Avg delay	Airlines	Flights
1	BUF → DCA Washington, VA	66%	4.9%	38 min	4	1,134
2	BUF → DFW Dallas/Fort Worth, TX	74%	2.9%	20 min	2	578
3	BUF → ORD Chicago, IL	75%	3.2%	26 min	5	2,199
4	BUF → DEN Denver, CO	75%	0.2%	15 min	3	586
5	BUF → FLL Fort Lauderdale, FL	75%	2.4%	18 min	2	553
6	BUF → MCO Orlando, FL	76%	1.5%	18 min	3	1,792
7	BUF → BOS Boston, MA	76%	2.9%	18 min	3	1,295
8	BUF → MDW Chicago, IL	77%	1.3%	15 min	1	824
9	BUF → JFK New York, NY	77%	5.6%	21 min	1	1,217
10	BUF → BNA Nashville, TN	78%	0.8%	12 min	1	370
11	BUF → LGA New York, NY	78%	4.8%	18 min	1	1,758
12	BUF → CLT Charlotte, NC	79%	1.7%	21 min	2	1,165
13	BUF → TPA Tampa, FL	80%	0.5%	14 min	2	732
14	BUF → ATL Atlanta, GA	80%	2.2%	15 min	3	1,520
15	BUF → DTW Detroit, MI	81%	1.7%	21 min	3	1,207
16	BUF → BWI Baltimore, MD	87%	1.4%	8 min	1	1,750
17	BUF → EWR Newark, NJ	88%	5.0%	11 min	2	482

Less frequent routes

Too few flights for a reliable ranking.

BUF → LAS (Las Vegas) 302 flts
BUF → PHL (Philadelphia) 263 flts
BUF → PHX (Phoenix) 199 flts
BUF → IAD (Washington) 147 flts
BUF → LAX (Los Angeles) 137 flts
BUF → RSW (Fort Myers) 134 flts
BUF → RDU (Raleigh/Durham) 106 flts
BUF → MSP (Minneapolis) 94 flts
BUF → SJU (San Juan) 73 flts
BUF → SRQ (Sarasota/Bradenton) 39 flts
BUF → DAL (Dallas) 37 flts
BUF → MIA (Miami) 25 flts
BUF → PBI (West Palm Beach/Palm Beach) 3 flts
BUF → IAH (Houston) 2 flts
BUF → MSY (New Orleans) 1 flts
BUF → HOU (Houston) 1 flts
BUF → MCI (Kansas City) 1 flts

Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.