Louisville Muhammad Ali International Airport (SDF) Weekly Flights: 440 Domestic Routes: 35 Delayed Flights: 18% Average Delay (hr): 1¼
Lovell Field (CHA) Weekly Flights: 164 Domestic Routes: 10 Delayed Flights: 18% Average Delay (hr): 1½
Lubbock Preston Smith International Airport (LBB) Weekly Flights: 123 Domestic Routes: 9 Delayed Flights: 17% Average Delay (hr): 1¼
Lynchburg Regional Airport-Preston Glenn Field (LYH) Weekly Flights: 20 Domestic Routes: 1 Delayed Flights: 24% Average Delay (hr): 1¼
Mahlon Sweet Field (EUG) Weekly Flights: 79 Domestic Routes: 10 Delayed Flights: 18% Average Delay (hr): 1¼
Mammoth Yosemite Airport (MMH) Weekly Flights: 3 Domestic Routes: 3 Delayed Flights: 33% Average Delay (hr): 2
Manchester Airport (MHT) Weekly Flights: 187 Domestic Routes: 13 Delayed Flights: 13% Average Delay (hr): 1¼
Manhattan Regional Airport (MHK) Weekly Flights: 35 Domestic Routes: 2 Delayed Flights: 16% Average Delay (hr): 1½
Martha's Vineyard Airport (MVY) Weekly Flights: 9 Domestic Routes: 4 Delayed Flights: 26% Average Delay (hr): 1¼
MBS International Airport (MBS) Weekly Flights: 55 Domestic Routes: 3 Delayed Flights: 13% Average Delay (hr): 2
McAllen Miller International Airport (MFE) Weekly Flights: 89 Domestic Routes: 6 Delayed Flights: 17% Average Delay (hr): 1½
McCarran International Airport (LAS) Weekly Flights: 3,098 Domestic Routes: 117 Delayed Flights: 20% Average Delay (hr): 1
McGhee Tyson Airport (TYS) Weekly Flights: 307 Domestic Routes: 23 Delayed Flights: 18% Average Delay (hr): 1½
Meadows Field (BFL) Weekly Flights: 45 Domestic Routes: 3 Delayed Flights: 12% Average Delay (hr): 1½
Melbourne International Airport (MLB) Weekly Flights: 47 Domestic Routes: 2 Delayed Flights: 12% Average Delay (hr): 1¼
Memphis International Airport (MEM) Weekly Flights: 443 Domestic Routes: 30 Delayed Flights: 17% Average Delay (hr): 1
Merle K-Mudhole Smith Airport (CDV) Weekly Flights: 14 Domestic Routes: 2 Delayed Flights: 10% Average Delay (hr): ¾
Metropolitan Oakland International Airport (OAK) Weekly Flights: 1,013 Domestic Routes: 51 Delayed Flights: 19% Average Delay (hr): ¾
Miami International Airport (MIA) Weekly Flights: 1,690 Domestic Routes: 67 Delayed Flights: 20% Average Delay (hr): 1¼
Midland International Air And Space Port Airport (MAF) Weekly Flights: 169 Domestic Routes: 7 Delayed Flights: 17% Average Delay (hr): 1¼