Aircraft and routes observed for Frontier Airlines F9

Data window: 05 September 2026 – 06 October 2026

14,746flights seen 296routes 165aircraft seen 91airports touched 4types

Aircraft types

Type	Aircraft seen
A20N	70
A21N	68
A321	21
A320	6

Routes

Route	Between	Sightings
ATL–LGA	Atlanta – New York	1,157
LAX–ORD	Los Angeles – Chicago	1,154
DFW–ORD	Dallas-Fort Worth – Chicago	1,041
SAN–SFO	San Diego – San Francisco	934
DEN–PHX	Denver – Phoenix	896
LAX–PHX	Los Angeles – Phoenix	895
DEN–LAX	Denver – Los Angeles	876
DFW–LAX	Dallas-Fort Worth – Los Angeles	870
LAS–LAX	Las Vegas – Los Angeles	869
DEN–SLC	Denver – Salt Lake City	842
MCO–SJU	Orlando – San Juan	841
ATL–ORD	Atlanta – Chicago	833
DEN–ORD	Denver – Chicago	824
LAX–SMF	Los Angeles – Sacramento	800
DFW–LGA	Dallas-Fort Worth – New York	779
ATL–MCO	Atlanta – Orlando	777
SFO–SNA	San Francisco – Santa Ana	777
DEN–SEA	Denver – Seattle	776
ATL–BOS	Atlanta – Boston	751
LAS–SAN	Las Vegas – San Diego	748
ORD–PHX	Chicago – Phoenix	739
ATL–LAX	Atlanta – Los Angeles	736
IAH–ORD	Houston – Chicago	733
ATL–PHL	Atlanta – Philadelphia	728
DEN–LAS	Denver – Las Vegas	727
ORD–PHL	Chicago – Philadelphia	719
DEN–SAN	Denver – San Diego	706
DEN–MSP	Denver – Minneapolis	695
MCO–PHL	Orlando – Philadelphia	683
LAS–SEA	Las Vegas – Seattle	669
DFW–SFO	Dallas-Fort Worth – San Francisco	668
ATL–DEN	Atlanta – Denver	663
DFW–MIA	Dallas-Fort Worth – Miami	662
DFW–LAS	Dallas-Fort Worth – Las Vegas	659
ATL–FLL	Atlanta – Fort Lauderdale	657
DEN–DFW	Denver – Dallas-Fort Worth	653
DFW–PHX	Dallas-Fort Worth – Phoenix	649
ATL–EWR	Atlanta – Newark	645
ATL–DFW	Atlanta – Dallas-Fort Worth	641
LAS–SFO	Las Vegas – San Francisco	640
ATL–LAS	Atlanta – Las Vegas	637
PHX–SAN	Phoenix – San Diego	633
ATL–IAH	Atlanta – Houston	625
AUS–DEN	Austin – Denver	622
LAS–ORD	Las Vegas – Chicago	612
CLT–LGA	Charlotte – New York	611
DEN–SFO	Denver – San Francisco	610
BUR–LAS	Burbank – Las Vegas	603
ATL–DTW	Atlanta – Detroit	599
MCO–ORD	Orlando – Chicago	596
DFW–MCO	Dallas-Fort Worth – Orlando	590
ATL–MIA	Atlanta – Miami	584
ATL–TPA	Atlanta – Tampa	583
LAS–PHX	Las Vegas – Phoenix	578
ATL–BWI	Atlanta – Baltimore	574
PHX–SFO	Phoenix – San Francisco	571
CLT–DFW	Charlotte – Dallas-Fort Worth	570
DEN–MCO	Denver – Orlando	568
DEN–MCI	Denver – Kansas City	560
LAS–SNA	Las Vegas – Santa Ana	553
ATL–JFK	Atlanta – New York	544
DFW–SAN	Dallas-Fort Worth – San Diego	543
EWR–MCO	Newark – Orlando	525
PHX–SLC	Phoenix – Salt Lake City	521
CLE–ORD	Cleveland – Chicago	512
IAH–LAX	Houston – Los Angeles	500
DEN–PDX	Denver – Portland	497
BWI–MCO	Baltimore – Orlando	496
ATL–MSP	Atlanta – Minneapolis	495
CLT–MCO	Charlotte – Orlando	493
DEN–IAH	Denver – Houston	493
DFW–EWR	Dallas-Fort Worth – Newark	489
LAX–PDX	Los Angeles – Portland	489
COS–DEN	Colorado Springs – Denver	487
DFW–PHL	Dallas-Fort Worth – Philadelphia	481
BOS–MCO	Boston – Orlando	475
LGA–MCO	New York – Orlando	473
CLT–PHL	Charlotte – Philadelphia	467
LAS–OAK	Las Vegas – Oakland	465
LAX–SLC	Los Angeles – Salt Lake City	463
LAX–SJC	Los Angeles – San Jose	461
DEN–STL	Denver – St Louis	459
BNA–DEN	Nashville – Denver	456
DEN–PHL	Denver – Philadelphia	449
ATL–AUS	Atlanta – Austin	448
MIA–SJU	Miami – San Juan	446
LAX–MCO	Los Angeles – Orlando	444
CLT–MIA	Charlotte – Miami	440
FLL–ORD	Fort Lauderdale – Chicago	440
ATL–IAD	Atlanta – Dulles	434
DEN–SNA	Denver – Santa Ana	434
DFW–DTW	Dallas-Fort Worth – Detroit	433
ATL–SFO	Atlanta – San Francisco	432
BNA–MCO	Nashville – Orlando	428
DEN–SMF	Denver – Sacramento	428
MIA–PHL	Miami – Philadelphia	422
DFW–SLC	Dallas-Fort Worth – Salt Lake City	422
ATL–RDU	Atlanta – Raleigh/Durham	417
DFW–MSP	Dallas-Fort Worth – Minneapolis	415
DEN–OKC	Denver – Oklahoma City	412
BNA–PHL	Nashville – Philadelphia	407
FLL–IAH	Fort Lauderdale – Houston	406
PHX–SNA	Phoenix – Santa Ana	406
BWI–ORD	Baltimore – Chicago	404
DEN–DTW	Denver – Detroit	398
DFW–FLL	Dallas-Fort Worth – Fort Lauderdale	397
LAS–RNO	Las Vegas – Reno	396
LAS–SMF	Las Vegas – Sacramento	392
BOS–RDU	Boston – Raleigh/Durham	383
ATL–PHX	Atlanta – Phoenix	376
DEN–OMA	Denver – Omaha	376
CLT–IAH	Charlotte – Houston	369
DEN–SAT	Denver – San Antonio	366
ONT–SEA	Ontario – Seattle	363
ATL–CLE	Atlanta – Cleveland	362
LAS–SJC	Las Vegas – San Jose	361
ATL–CVG	Atlanta – Cincinnati / Covington	359
LAS–PDX	Las Vegas – Portland	359
BNA–DFW	Nashville – Dallas-Fort Worth	357
DEN–ONT	Denver – Ontario	357

Aircraft

Registration	Type	Sightings
N660FR	A21N	116
N441FR	A20N	116
N371FR	A20N	116
N413FR	A20N	115
N383FR	A20N	114
N612FR	A21N	114
N436FR	A20N	114
N681FR	A21N	113
N626FR	A21N	113
N675FR	A21N	113
N658FR	A21N	112
N394FR	A20N	112
N616FR	A21N	112
N430FR	A20N	112
N330FR	A20N	112
N709FR	A321	111
N437FR	A20N	110
N677FR	A21N	110
N440FR	A20N	110
N664FR	A21N	110
N343FR	A20N	109
N414FR	A20N	109
N634FR	A21N	109
N624FR	A21N	108
N678FR	A21N	107
N680FR	A21N	107
N631FR	A21N	107
N606FR	A21N	107
N662FR	A21N	106
N672FR	A21N	106
N392FR	A20N	106
N405FR	A20N	106
N604FR	A21N	105
N620FR	A21N	105
N679FR	A21N	105
N402FR	A20N	105
N654FR	A21N	104
N665FR	A21N	104
N650FR	A21N	102
N640FR	A21N	102
N648FR	A21N	102
N667FR	A21N	102
N379FR	A20N	102
N376FR	A20N	102
N644FR	A21N	102
N605FR	A21N	102
N659FR	A21N	101
N619FR	A21N	101
N639FR	A21N	101
N719FR	A321	101
N233FR	A320	100
N603FR	A21N	100
N655FR	A21N	100
N362FR	A20N	100
N722FR	A321	100
N635FR	A21N	100
N629FR	A21N	100
N712FR	A321	100
N609FR	A21N	100
N360FR	A20N	100
N621FR	A21N	99
N668FR	A21N	99
N611FR	A21N	99
N637FR	A21N	98
N656FR	A21N	98
N607FR	A21N	98
N649FR	A21N	98
N615FR	A21N	98
N435FR	A20N	97
N670FR	A21N	97
N630FR	A21N	97
N708FR	A321	97
N714FR	A321	97
N663FR	A21N	96
N651FR	A21N	96
N317FR	A20N	96
N409FR	A20N	96
N236FR	A320	96
N622FR	A21N	95
N669FR	A21N	95
N434FR	A20N	95
N365FR	A20N	95
N372FR	A20N	94
N364FR	A20N	94
N390FR	A20N	94
N432FR	A20N	94
N613FR	A21N	94
N238FR	A320	94
N671FR	A21N	93
N641FR	A21N	93
N674FR	A21N	93
N363FR	A20N	93
N380FR	A20N	93
N375FR	A20N	92
N710FR	A321	92
N332FR	A20N	92
N391FR	A20N	92
N341FR	A20N	92
N439FR	A20N	92
N337FR	A20N	92
N625FR	A21N	92
N395FR	A20N	92
N329FR	A20N	91
N715FR	A321	91
N721FR	A321	91
N702FR	A321	91
N705FR	A321	91
N389FR	A20N	91
N638FR	A21N	90
N633FR	A21N	89
N232FR	A320	89
N374FR	A20N	89
N385FR	A20N	88
N361FR	A20N	88
N673FR	A21N	88
N636FR	A21N	87
N657FR	A21N	87
N653FR	A21N	86
N366FR	A20N	86
N676FR	A21N	86