US flight routes
Routes with enough flights over January 2025 – August 2026 for an on-time rate to mean something, busiest first.
SJU → EWR
San Juan to Newark
2,100 flights · 74.64% on time
D
DFW → BTR
Dallas/Fort Worth to Baton Rouge
2,100 flights · 77.59% on time
D
BTR → DFW
Baton Rouge to Dallas/Fort Worth
2,099 flights · 77.83% on time
D
LAX → OAK
Los Angeles to Oakland
2,098 flights · 80.11% on time
C
MDW → MCI
Chicago to Kansas City
2,097 flights · 79.19% on time
C
MCI → MDW
Kansas City to Chicago
2,097 flights · 79.11% on time
C
IAH → SEA
Houston to Seattle
2,095 flights · 77.46% on time
C
SEA → IAH
Seattle to Houston
2,095 flights · 80.33% on time
C
ORD → CHS
Chicago to Charleston
2,091 flights · 75.32% on time
D
CHS → ORD
Charleston to Chicago
2,091 flights · 76.61% on time
D
DTW → SEA
Detroit to Seattle
2,076 flights · 73.17% on time
D
CLT → SAV
Charlotte to Savannah
2,074 flights · 76.47% on time
C
LAS → STL
Las Vegas to St. Louis
2,073 flights · 79.37% on time
C
SEA → DTW
Seattle to Detroit
2,072 flights · 84.74% on time
B
SAV → CLT
Savannah to Charlotte
2,070 flights · 85.4% on time
B
CLE → MCO
Cleveland to Orlando
2,069 flights · 78.64% on time
C
FAR → ORD
Fargo to Chicago
2,068 flights · 72.21% on time
D
STL → LAS
St. Louis to Las Vegas
2,066 flights · 76.76% on time
C
MCO → CLE
Orlando to Cleveland
2,066 flights · 77.9% on time
C
ORD → FAR
Chicago to Fargo
2,065 flights · 69.52% on time
F
GEG → DEN
Spokane to Denver
2,063 flights · 83.83% on time
B
DUB → BHX
Dublin to Birmingham
2,062 flights · 78.14% on time
C
ORD → JAX
Chicago to Jacksonville
2,062 flights · 72.72% on time
D
JAX → ORD
Jacksonville to Chicago
2,062 flights · 77.31% on time
C
DEN → GEG
Denver to Spokane
2,062 flights · 75.18% on time
C
BHX → DUB
Birmingham to Dublin
2,061 flights · 68.37% on time
D
ORD → MDT
Chicago to Harrisburg
2,061 flights · 72.67% on time
D
MDT → ORD
Harrisburg to Chicago
2,061 flights · 75.58% on time
D
SAT → LAS
San Antonio to Las Vegas
2,059 flights · 81.49% on time
B
SEA → AUS
Seattle to Austin
2,059 flights · 79.08% on time
C
AUS → SEA
Austin to Seattle
2,058 flights · 82.82% on time
B
DCA → CMH
Washington to Columbus
2,056 flights · 77.83% on time
D
DFW → HSV
Dallas/Fort Worth to Huntsville
2,056 flights · 76.26% on time
D
CMH → DCA
Columbus to Washington
2,055 flights · 69.29% on time
F
HSV → DFW
Huntsville to Dallas/Fort Worth
2,055 flights · 76.28% on time
D
IAD → ORD
Washington to Chicago
2,054 flights · 75.25% on time
C
LAS → SAT
Las Vegas to San Antonio
2,053 flights · 75.81% on time
C
ORD → IAD
Chicago to Washington
2,051 flights · 74.1% on time
D
HOU → DFW
Houston to Dallas/Fort Worth
2,048 flights · 77.94% on time
D
DFW → HOU
Dallas/Fort Worth to Houston
2,048 flights · 76.91% on time
D
IND → DFW
Indianapolis to Dallas/Fort Worth
2,048 flights · 79.18% on time
C
LAS → HOU
Las Vegas to Houston
2,047 flights · 73.68% on time
D
DFW → IND
Dallas/Fort Worth to Indianapolis
2,047 flights · 68.65% on time
F
CMH → EWR
Columbus to Newark
2,046 flights · 81.85% on time
C
EWR → CMH
Newark to Columbus
2,045 flights · 83.56% on time
C
HOU → LAS
Houston to Las Vegas
2,045 flights · 80.66% on time
B
ATL → LEX
Atlanta to Lexington
2,045 flights · 85.03% on time
B
AVL → ATL
Asheville to Atlanta
2,045 flights · 85.82% on time
B
LEX → ATL
Lexington to Atlanta
2,044 flights · 88.57% on time
A
ATL → AVL
Atlanta to Asheville
2,044 flights · 84.77% on time
B
DAL → MCI
Dallas to Kansas City
2,041 flights · 75.72% on time
D
MSY → AUS
New Orleans to Austin
2,040 flights · 78.21% on time
C
LAS → BNA
Las Vegas to Nashville
2,040 flights · 78.96% on time
C
PSP → DEN
Palm Springs to Denver
2,036 flights · 81.63% on time
B
HOU → MCO
Houston to Orlando
2,035 flights · 76.96% on time
C
DEN → PSP
Denver to Palm Springs
2,035 flights · 77% on time
C
MCI → DAL
Kansas City to Dallas
2,033 flights · 80.66% on time
C
BCN → LHR
Barcelona to London
2,032 flights · 79.02% on time
C
CLT → JFK
Charlotte to New York
2,032 flights · 70.19% on time
F
LHR → BCN
London to Barcelona
2,031 flights · 77.23% on time
C