FlyOnSchedule

Worst Major Airports for Summer Peak Travel Delays

Holidays · Aug 2025 – Jul 2026

Data through July 2026 · Last updated October 18, 2026

How much on-time departures drop during summer peak travel (2024-08-01–2024-08-15, 2025-06-15–2025-08-15, 2026-06-15–2026-07-31) compared with all other days, at the 68 major airports.

Chicago (MDW) ranks first at -15.0 pts, and Kahului (OGG) is last of the 68 listed at -0.9 pts.

The median across this list is -8.1 pts.

Top 15: change vs other days

Full ranking

#NameChange vs usualHoliday on-timeOther daysHoliday departures
1Chicago (MDW) -15.0 pts63.0%78.0%29,418
2Baltimore (BWI) -14.9 pts62.0%76.9%34,901
3Charlotte (CLT) -14.0 pts64.4%78.4%65,971
4Philadelphia (PHL) -12.9 pts66.9%79.8%38,361
5Norfolk (ORF) -12.5 pts70.6%83.1%7,794
6Orlando (MCO) -12.2 pts65.8%77.9%52,915
7Nashville (BNA) -11.8 pts66.0%77.8%38,636
8New York (JFK) -11.6 pts70.3%81.9%37,564
9Denver (DEN) -11.6 pts66.9%78.5%116,833
10Raleigh/Durham (RDU) -11.5 pts71.2%82.7%19,833
11Jacksonville (JAX) -11.1 pts71.4%82.5%10,330
12Houston (HOU) -11.0 pts66.9%77.9%19,586
13Dallas (DAL) -10.7 pts63.2%74.0%24,886
14Washington (IAD) -10.6 pts74.7%85.3%20,889
15Atlanta (ATL) -10.0 pts70.4%80.4%114,251
16Miami (MIA) -10.0 pts66.7%76.7%36,102
17St. Louis (STL) -9.9 pts70.0%79.9%23,196
18New Orleans (MSY) -9.7 pts69.8%79.5%15,735
19Austin (AUS) -9.7 pts69.3%78.9%31,665
20New York (LGA) -9.6 pts70.8%80.4%47,303
21Buffalo (BUF) -9.6 pts72.2%81.7%7,761
22Dallas/Fort Worth (DFW) -9.6 pts64.7%74.2%114,953
23Houston (IAH) -9.4 pts70.6%80.0%41,237
24Tampa (TPA) -9.4 pts70.8%80.2%25,624
25Washington (DCA) -9.2 pts67.7%76.9%48,777
26Hartford (BDL) -9.0 pts74.7%83.6%7,875
27Seattle (SEA) -8.9 pts72.5%81.4%65,504
28Las Vegas (LAS) -8.7 pts69.6%78.2%61,015
29Chicago (ORD) -8.6 pts68.9%77.5%123,325
30Cincinnati (CVG) -8.6 pts75.0%83.5%12,977
31Newark (EWR) -8.5 pts72.4%80.8%41,323
32San Francisco (SFO) -8.3 pts72.2%80.5%52,849
33Oakland (OAK) -8.1 pts73.3%81.4%11,915
34San Diego (SAN) -8.1 pts70.8%78.9%35,979
35Charleston (CHS) -8.0 pts74.0%82.1%9,059
36Detroit (DTW) -7.8 pts74.2%82.0%44,038
37Omaha (OMA) -7.6 pts76.5%84.1%9,242
38Pittsburgh (PIT) -7.4 pts77.3%84.8%15,853
39Phoenix (PHX) -7.3 pts73.0%80.3%63,099
40Minneapolis (MSP) -7.3 pts76.4%83.7%43,769
41Cleveland (CLE) -7.3 pts76.8%84.0%14,689
42Boston (BOS) -7.3 pts72.5%79.8%52,335
43Kansas City (MCI) -7.2 pts75.3%82.6%18,260
44Portland (PDX) -7.2 pts78.8%86.0%23,997
45Anchorage (ANC) -7.1 pts79.0%86.0%9,467
46San Jose (SJC) -6.9 pts77.9%84.8%16,473
47Fort Lauderdale (FLL) -6.5 pts68.5%75.0%27,651
48Memphis (MEM) -6.5 pts76.0%82.5%9,061
49Oklahoma City (OKC) -6.5 pts77.0%83.5%8,907
50San Juan (SJU) -6.5 pts72.5%79.0%13,324
51Santa Ana (SNA) -6.4 pts76.4%82.8%15,902
52Los Angeles (LAX) -6.4 pts76.9%83.3%69,082
53Columbus (CMH) -6.3 pts77.3%83.6%15,785
54Indianapolis (IND) -6.3 pts77.6%83.9%16,981
55Albuquerque (ABQ) -6.2 pts78.1%84.3%9,044
56Sacramento (SMF) -6.1 pts77.4%83.5%21,081
57Milwaukee (MKE) -6.1 pts76.6%82.6%10,615
58Ontario (ONT) -6.0 pts78.2%84.2%9,596
59San Antonio (SAT) -5.9 pts77.3%83.3%14,442
60Fort Myers (RSW) -5.9 pts75.1%81.0%8,639
61Louisville (SDF) -5.9 pts78.0%83.9%8,450
62Salt Lake City (SLC) -5.8 pts80.2%85.9%41,291
63Reno (RNO) -5.7 pts78.2%83.9%8,116
64Boise (BOI) -5.5 pts81.0%86.5%8,429
65West Palm Beach/Palm Beach (PBI) -5.1 pts71.0%76.0%8,285
66Burbank (BUR) -3.1 pts79.9%83.0%10,767
67Honolulu (HNL) -1.1 pts85.6%86.7%20,625
68Kahului (OGG) -0.9 pts86.3%87.2%9,099

80%+ good 70–79.9% fair <70% poor

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