Most delayed flights from BOS: every route ranked

56 regularly flown nonstop routes from Boston Logan 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	BOS → PQI Presque Isle/Houlton, ME	65%	2.5%	27 min	1	365
2	BOS → PBI West Palm Beach/Palm Beach, FL	65%	3.4%	26 min	3	2,153
3	BOS → FLL Fort Lauderdale, FL	67%	3.6%	25 min	3	3,359
4	BOS → SJU San Juan, PR	67%	2.9%	25 min	4	1,770
5	BOS → SYR Syracuse, NY	69%	2.1%	22 min	2	474
6	BOS → BNA Nashville, TN	70%	2.1%	21 min	6	2,934
7	BOS → MCO Orlando, FL	71%	3.0%	23 min	6	4,620
8	BOS → RSW Fort Myers, FL	71%	2.7%	20 min	3	2,193
9	BOS → SFO San Francisco, CA	72%	1.5%	20 min	5	4,735
10	BOS → SRQ Sarasota/Bradenton, FL	72%	3.1%	21 min	4	685
11	BOS → AUS Austin, TX	72%	2.2%	23 min	3	1,673
12	BOS → MDW Chicago, IL	72%	1.9%	18 min	1	1,361
13	BOS → SEA Seattle, WA	72%	1.3%	16 min	3	2,504
14	BOS → ORD Chicago, IL	73%	3.0%	24 min	6	7,750
15	BOS → DCA Washington, VA	74%	3.8%	20 min	5	9,092
16	BOS → MYR Myrtle Beach, SC	74%	5.2%	18 min	4	439
17	BOS → TPA Tampa, FL	75%	2.8%	18 min	4	2,791
18	BOS → LAX Los Angeles, CA	75%	1.7%	21 min	4	4,758
19	BOS → JAX Jacksonville, FL	75%	2.7%	17 min	3	1,610
20	BOS → JFK New York, NY	75%	4.8%	18 min	3	5,672
21	BOS → SLC Salt Lake City, UT	75%	1.8%	17 min	2	1,256
22	BOS → BUF Buffalo, NY	75%	3.0%	18 min	3	1,295
23	BOS → EWR Newark, NJ	75%	4.1%	20 min	2	3,866
24	BOS → LAS Las Vegas, NV	76%	1.2%	18 min	2	1,609
25	BOS → RDU Raleigh/Durham, NC	76%	2.7%	19 min	4	2,828
26	BOS → STL St. Louis, MO	76%	1.6%	16 min	3	1,612
27	BOS → PHL Philadelphia, PA	77%	3.1%	21 min	4	4,981
28	BOS → MSY New Orleans, LA	77%	1.8%	19 min	4	855
29	BOS → SAN San Diego, CA	77%	1.6%	15 min	4	1,849
30	BOS → RIC Richmond, VA	77%	3.2%	15 min	2	1,694
31	BOS → DEN Denver, CO	77%	1.3%	15 min	4	3,868
32	BOS → DFW Dallas/Fort Worth, TX	77%	3.2%	20 min	4	3,706
33	BOS → LGA New York, NY	77%	5.8%	18 min	2	7,342
34	BOS → DTW Detroit, MI	77%	2.4%	18 min	4	2,583
35	BOS → PHX Phoenix, AZ	77%	1.6%	17 min	3	2,017
36	BOS → CLE Cleveland, OH	77%	2.7%	16 min	3	1,650
37	BOS → PDX Portland, OR	78%	1.9%	13 min	2	671
38	BOS → CHS Charleston, SC	78%	2.3%	16 min	3	1,140
39	BOS → ATL Atlanta, GA	78%	2.2%	17 min	4	4,973
40	BOS → PIT Pittsburgh, PA	78%	3.0%	16 min	2	2,156
41	BOS → MCI Kansas City, MO	78%	2.3%	14 min	3	646
42	BOS → MIA Miami, FL	78%	2.1%	17 min	5	3,384
43	BOS → ROC Rochester, NY	79%	3.1%	14 min	2	385
44	BOS → BWI Baltimore, MD	79%	2.7%	15 min	3	3,513
45	BOS → CVG Cincinnati, KY	80%	3.0%	13 min	3	2,000
46	BOS → CMH Columbus, OH	80%	2.6%	15 min	3	2,003
47	BOS → SAV Savannah, GA	81%	2.1%	12 min	4	1,044
48	BOS → IAH Houston, TX	81%	1.7%	14 min	2	2,021
49	BOS → IND Indianapolis, IN	82%	2.4%	13 min	4	2,022
50	BOS → ILM Wilmington, NC	82%	0.5%	11 min	3	433
51	BOS → MKE Milwaukee, WI	83%	3.1%	11 min	3	741
52	BOS → CLT Charlotte, NC	83%	2.6%	15 min	4	4,019
53	BOS → MSP Minneapolis, MN	83%	1.3%	13 min	1	1,853
54	BOS → IAD Washington, VA	84%	2.7%	14 min	2	1,516
55	BOS → SDF Louisville, KY	85%	1.6%	9 min	3	708
56	BOS → ORF Norfolk, VA	87%	1.1%	10 min	3	474

Less frequent routes

Too few flights for a reliable ranking.

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.