Pulled from USDOT DB1B data:
ORIGIN PDEW
MCO 60,997
LAX 60,282
LAS 57,909
DEN 55,101
ATL 53,212
ORD 51,448
PHX 46,845
DFW 44,585
BOS 43,749
SEA 43,560
LGA 40,161
EWR 39,016
SFO 38,955
FLL 32,905
SAN 31,925
TPA 30,703
JFK 30,050
IAH 29,894
MSP 29,684
DCA 29,000
PHL 28,375
MIA 27,421
BNA 26,696
DTW 26,055
AUS 24,542
BWI 24,126
CLT 22,974
SLC 22,069
PDX 20,465
HNL 19,920
RDU 18,633
MDW 18,440
SMF 16,937
DAL 16,382
MSY 16,312
STL 15,749
SJU 15,461
MCI 14,753
IAD 14,288
SJC 14,261
SNA 13,921
RSW 13,893
IND 13,285
SAT 13,271
OAK 12,618
CLE 12,474
PIT 12,345
HOU 12,187
CVG 11,624
CMH 11,084
PBI 10,840
JAX 10,042
ONT 8,976
BDL 8,943
CHS 8,927
BUR 8,556
MKE 8,192
OGG 7,496
ABQ 7,099
OMA 6,702
BUF 6,503
MEM 6,428
ORF 6,409
RIC 6,331
SDF 6,306
ANC 6,203
BOI 6,180
SRQ 6,123
MYR 6,123
OKC 5,918
SAV 5,915
RNO 5,807
LGB 5,628
ELP 5,461
PVD 5,397
GEG 5,260
KOA 4,976
GRR 4,952
TUS 4,848
LIH 4,844
PNS 4,378
TUL 4,297
BHM 4,112
TYS 4,026
SYR 3,927
DSM 3,891
ALB 3,858
VPS 3,846
SFB 3,835
PSP 3,579
GSP 3,559
PIE 3,558
COS 3,384
AVL 3,285
ROC 3,222
BZN 3,203
ECP 3,090
PWM 3,062
HPN 3,055
LIT 3,033
FAT 2,969
XNA 2,791
MSN 2,789
GSO 2,491
AZA 2,447
PGD 2,335
EUG 2,291
STT 2,288
ICT 2,245
MAF 2,040
HSV 2,014
LEX 1,962
EYW 1,934
ILM 1,912
ITO 1,907
ISP 1,900
MDT 1,892
CID 1,865
MHT 1,857
SBA 1,818
SGF 1,817
FSD 1,675
JAN 1,665
CAE 1,645
BTV 1,633
HVN 1,590
DAY 1,558
RDM 1,519
MFE 1,492
LBB 1,473
CHA 1,395
HRL 1,345
MSO 1,337
FAR 1,333
ATW 1,326
MFR 1,308
FAI 1,305
ABE 1,250
ACY 1,247
FCA 1,202
TLH 1,179
BIL 1,178
PVU 1,162
BQN 1,145
BTR 1,122
PSC 1,112
JAC 1,110
SBN 1,083
STS 1,060
RAP 1,047
CAK 1,039
AMA 1,036
FWA 1,023
CRP 972
SBP 955
TVC 938
ROA 928
CHO 920
DAB 913
AGS 909
SHV 891
PIA 859
BLI 854
JNU 853
MLI 847
MRY 814
BGR 810
GPT 795
GRB 793
IDA 777
PAE 775
GNV 767
BIS 763
MOB 736
TTN 720
MLB 708
GJT 698
FNT 669
LFT 613
DRO 596
TRI 584
AVP 581
STX 550
CRW 529
ASE 529
BLV 521
BRO 521
BFL 513
MTJ 505
GTF 485
LCK 475
MGM 474
SAF 465
PSE 462
EVV 460
BMI 442
FAY 428
MOT 422
HHH 411
LRD 386
OAJ 386
SGU 379
EGE 357
KTN 355
ACK 332
ACV 328
RFD 321
DLH 321
USA 321
ILG 320
ORH 314
HTS 308
LNK 305
LAN 289
SCE 283
MBS 282
SIT 278
MLU 274
HLN 270
XWA 266
CPR 264
RST 258
LBE 254
GRK 252
CWA 251
AZO 250
EWN 250
COU 245
AEX 245
GUM 242
HDN 241
ABI 239
VRB 237
BET 237
SWF 232
CMI 228
RDD 225
ADQ 224
SUN 219
FLG 216
LYH 216
LCH 216
GFK 215
ELM 207
PBG 205
YUM 195
MHK 187
ITH 179
MVY 174
PHF 174
SCK 164
CSG 156
CLL 154
PSM 153
SPI 151
TOL 148
FSM 146
GRI 145
IAG 143
SBY 142
PUW 142
SCC 140
ACT 139
LWS 137
TYR 133
SJT 130
ERI 130
ROW 126
LAW 123
MQT 119
CKB 117
VLD 117
OME 115
HGR 115
EAT 113
GTR 111
LSE 109
PGV 109
BQK 106
YKM 105
BRW 101
COD 100
DHN 99
TXK 98
PPG 98
OTZ 98
ALW 93
PLN 92
SWO 89
GGG 88
BPT 86
SLE 85
BJI 84
ABY 84
TWF 81
SPS 78
SPN 77
GUC 76
DLG 72
DIK 72
GCC 71
PSG 71
CIU 70
RHI 70
CYS 69
OTH 68
BGM 67
AKN 67
FLO 65
CMX 65
HOB 65
GCK 63
ABR 62
PQI 61
PIH 61
SHR 59
ART 59
SBD 58
CDV 52
IMT 51
HYA 49
INL 45
BTM 45
OGD 45
RIW 45
BRD 45
RKS 44
ESC 42
LAR 40
SUX 39
STC 39
LBF 39
WRG 38
SMX 38
CDC 38
EKO 36
WYS 36
APN 35
VCT 32
MEI 32
HYS 32
YAK 31
SLN 31
EAU 30
HIB 29
JST 28
BFF 27
ALO 25
DEC 25
JLN 24
CNY 24
BKG 23
PIB 22
GST 21
LBL 21
EAR 21
LWB 20
DVL 20
PRC 19
PIR 18
PAH 17
BFM 14
DDC 14
BHB 13
SHD 13
FOD 12
ALS 12
LEB 12
LAL 11
JMS 11
PGA 11
MGW 10
VEL 10
MCW 9
BKW 9
MWA 9
ATY 9
CVN 8
OGS 8
LNS 8
AUG 8
MBL 7
IPL 7
RKD 6
DUJ 6
TBN 6
PVC 6
UIN 5
MKG 5
ADK 5
AOO 5
TEX 5
PKB 5
CGI 5
