United Airlines

ICAO: UAL Active as of Aug 9, 2025

845

Active Routes

2824

Flight Observations

166

Unique Destinations

204

Origin Airports

1632

Avg Route Distance (mi)

8584

Longest Route (mi)

13

Domestic Routes

87

International Routes

Route Network Map

Most Popular Routes

IAH → DEN

George Bush Intercontinental Houston Airport → Denver Intl

885 miles

21 flights

A21N

IAH → SFO

George Bush Intercontinental Houston Airport → San Francisco Int'l

1634 miles

16 flights

B739

SRQ → EWR

Sarasota Bradenton International Airport → Newark Liberty Intl

1036 miles

16 flights

B739

IAH → ORD

George Bush Intercontinental Houston Airport → Chicago O'Hare Intl

927 miles

14 flights

B739

SAT → IAH

San Antonio International Airport → Houston Bush Int'ctl

190 miles

14 flights

B39M

RNO → DEN

Reno Tahoe International Airport → Denver Intl

803 miles

14 flights

B38M

CLE → ORD

Cleveland Hopkins International Airport → Chicago O'Hare Intl

315 miles

13 flights

B38M

SNA → ORD

John Wayne Orange County International Airport → Chicago O'Hare Intl

1724 miles

13 flights

B737

SFO → IAH

San Francisco International Airport → Houston Bush Int'ctl

1733 miles

13 flights

B739

IAH → EWR

George Bush Intercontinental Houston Airport → Newark Liberty Intl

1400 miles

13 flights

B739

Top Destinations

DEN (KDEN)

Denver Intl

Denver

432 flights

104 routes

IAH (KIAH)

Houston Bush Int'ctl

Houston

406 flights

89 routes

ORD (KORD)

Chicago O'Hare Intl

Chicago

395 flights

94 routes

EWR (KEWR)

Newark Liberty Intl

Newark

330 flights

85 routes

SFO (KSFO)

San Francisco Int'l

San Francisco

201 flights

50 routes

IAD (KIAD)

Washington Dulles Intl

Washington

138 flights

51 routes

LAX (KLAX)

Los Angeles Intl

Los Angeles

94 flights

22 routes

NRT (RJAA)

Narita Int'l

Tokyo (Narita)

30 flights

8 routes

MCO (KMCO)

Orlando Intl

Orlando

26 flights

6 routes

LAS (KLAS)

Harry Reid Intl

Las Vegas

23 flights

7 routes

Top Origin Airports

SFO (KSFO)

San Francisco International Airport

San Francisco

212 flights

57 routes

IAH (KIAH)

George Bush Intercontinental Houston Airport

Houston

209 flights

63 routes

EWR (KEWR)

Newark Liberty International Airport

Newark

171 flights

60 routes

DEN (KDEN)

Denver International Airport

Denver

162 flights

72 routes

IAD (KIAD)

Washington Dulles International Airport

Dulles

129 flights

38 routes

ORD (KORD)

Chicago O'Hare International Airport

Chicago

95 flights

48 routes

LAX (KLAX)

Los Angeles International Airport

Los Angeles

76 flights

22 routes

GUM (PGUM)

Antonio B. Won Pat International Airport

Hagåtña

45 flights

12 routes

CLE (KCLE)

Cleveland Hopkins International Airport

Cleveland

44 flights

10 routes

SNA (KSNA)

John Wayne Orange County International Airport

Santa Ana

43 flights

5 routes

Top Border Crossing Flights

DEN (KDEN)

Denver International Airport

Denver, US

432 flights

104 routes

IAH (KIAH)

George Bush Intercontinental Houston Airport

Houston, US

406 flights

89 routes

ORD (KORD)

Chicago O'Hare International Airport

Chicago, US

395 flights

94 routes

EWR (KEWR)

Newark Liberty International Airport

Newark, US

330 flights

85 routes

SFO (KSFO)

San Francisco International Airport

San Francisco, US

201 flights

50 routes

IAD (KIAD)

Washington Dulles International Airport

Washington, US

138 flights

51 routes

LAX (KLAX)

Los Angeles International Airport

Los Angeles, US

94 flights

22 routes

NRT (RJAA)

Narita International Airport

Tokyo (Narita), JP

30 flights

8 routes

Longest Routes

SFO → SIN

San Francisco International Airport → Singapore Changi

8584 mi

SIN → SFO

Singapore Changi Airport → San Francisco Int'l

8448 mi

JNB → EWR

O.R. Tambo International Airport → Newark Liberty Intl

8140 mi

EWR → CPT

Newark Liberty International Airport → Cape Town Int'l

8016 mi

CPT → EWR

Cape Town International Airport → Newark Liberty Intl

8007 mi

Shortest Routes

LAX → SNA

Los Angeles International Airport → John Wayne

36 mi

RFD → ORD

Chicago Rockford International Airport → Chicago O'Hare Intl

63 mi

COS → DEN

City of Colorado Springs Municipal Airport → Denver Intl

92 mi

RIC → DCA

Richmond International Airport → Reagan National

94 mi

CLE → DTW

Cleveland Hopkins International Airport → Detroit Metro Wayne Co

95 mi

All Routes

845 Total Routes

Showing 25 most popular routes

Route	Destination	Flights	Distance	Aircraft	Last Seen
IAH → DEN George Bush Intercontinental Houston Airport	Denver Intl Denver	21	885 mi	A21N	Aug 9, 2025
IAH → SFO George Bush Intercontinental Houston Airport	San Francisco Int'l San Francisco	16	1634 mi	B739	Aug 9, 2025
SRQ → EWR Sarasota Bradenton International Airport	Newark Liberty Intl Newark	16	1036 mi	B739	Aug 9, 2025
IAH → ORD George Bush Intercontinental Houston Airport	Chicago O'Hare Intl Chicago	14	927 mi	B739	Aug 9, 2025
SAT → IAH San Antonio International Airport	Houston Bush Int'ctl Houston	14	190 mi	B39M	Aug 9, 2025
RNO → DEN Reno Tahoe International Airport	Denver Intl Denver	14	803 mi	B38M	Aug 9, 2025
CLE → ORD Cleveland Hopkins International Airport	Chicago O'Hare Intl Chicago	13	315 mi	B38M	Aug 9, 2025
SNA → ORD John Wayne Orange County International Airport	Chicago O'Hare Intl Chicago	13	1724 mi	B737	Aug 9, 2025
SFO → IAH San Francisco International Airport	Houston Bush Int'ctl Houston	13	1733 mi	B739	Aug 9, 2025
IAH → EWR George Bush Intercontinental Houston Airport	Newark Liberty Intl Newark	13	1400 mi	B739	Aug 9, 2025
SJD → IAH Los Cabos International Airport	Houston Bush Int'ctl Houston	12	1030 mi	B738	Aug 9, 2025
SNA → DEN John Wayne Orange County International Airport	Denver Intl Denver	12	912 mi	B38M	Aug 9, 2025
LGA → IAH LaGuardia Airport	Houston Bush Int'ctl Houston	12	1416 mi	B738	Jul 27, 2025
SNN → ORD Shannon Airport	Chicago O'Hare Intl Chicago	12	3584 mi	B752	Aug 9, 2025
GUM → NRT Antonio B. Won Pat International Airport	Narita Int'l Tokyo (Narita)	12	1565 mi	B738	Aug 9, 2025
RSW → EWR Southwest Florida International Airport	Newark Liberty Intl Newark	12	1071 mi	B38M	Aug 9, 2025
LIR → IAH Guanacaste Airport	Houston Bush Int'ctl Houston	12	1482 mi	B738	Aug 9, 2025
PDX → ORD Portland International Airport	Chicago O'Hare Intl Chicago	12	1736 mi	B739	Aug 9, 2025
EWR → IAH Newark Liberty International Airport	Houston Bush Int'ctl Houston	11	1631 mi	B739	Aug 9, 2025
ATL → EWR Hartsfield Jackson Atlanta International Airport	Newark Liberty Intl Newark	11	746 mi	B38M	Aug 9, 2025
PWM → ORD Portland International Jetport	Chicago O'Hare Intl Chicago	11	899 mi	B39M	Aug 9, 2025
EWR → LAX Newark Liberty International Airport	Los Angeles Intl Los Angeles	11	2451 mi	B772	Aug 9, 2025
SNN → EWR Shannon Airport	Newark Liberty Intl Newark	11	3090 mi	B752	Aug 9, 2025
CUN → IAH Cancún International Airport	Houston Bush Int'ctl Houston	11	813 mi	B739	Jul 28, 2025
LAX → IAH Los Angeles International Airport	Houston Bush Int'ctl Houston	11	1378 mi	B739	Aug 9, 2025

Showing 25 of 845 routes. Routes sorted by flight frequency and activity.

Data Information:

Airline statistics are based on flight route observations collected from FlightAware AeroAPI and other sources. Flight counts represent observed operations, not scheduled frequencies. Route data is continuously updated as new flight information becomes available.

Data Freshness: Real-time
Last Update: Aug 9, 2025 21:02
Coverage: Observed routes only