Mobissimo

Travel & Leisure ranks the best and the worst airports in terms of on-time performance. The list includes the % of total flights that are delayed and at what time in the day the peak delays occur:

Best

Charlotte Douglas
20%
8–9 p.m. 41%

Cincinnati
14%
5–6 p.m. 23%

Houston George Bush
20%
6–7 p.m. 31%

Los Angeles
18%
7–8 p.m. 27%

Orlando
19%
11 p.m.–12 a.m. 46%

Pittsburgh
17%
7–8 p.m. 36%

Salt Lake City
14%
6–7 p.m. 19%

San Diego
17%
8–9 p.m. 27%

Tampa
18%
9–10 p.m. 37%

Washington Reagan
16%
7–8 p.m. 27%

Worst

Atlanta
26%
9–10 p.m. 40%

Chicago Midway
27%
8–9 p.m. 45%

Chicago O’Hare
28%
8–9 p.m. 41%

Dallas-Fort Worth
23%
7–8 p.m. 32%

Detroit Metro Wayne County
22%
8–9 p.m. 40%

Las Vegas McCarran
25%
9–10 p.m. 39%

Miami
23%
9–10 p.m. 36%

Newark
28%
7–8 p.m. 53%

New York LaGuardia
24%
9–10 p.m. 40%

Philadelphia
26%
7–8 p.m. 42%

% Percentage of all departures that are delayed