All routes to and from IAH

George Bush Intercontinental Airport’s own profile links its busiest, most and least reliable routes only. This is the complete set: every directional route touching IAH with enough history to clear FlyerIntel’s publishing bar, July 2023 – June 2026.

Routes from IAH

44 directional routes with IAH as the origin, ordered by flights operated.

Routes from IAH
#	Route	Flights	On time	Score
1	IAH → DFW Dallas–Fort Worth	16,462	73.3%	41
2	IAH → ORD Chicago	16,460	77.1%	59
3	IAH → LAX Los Angeles	16,077	82.8%	74
4	IAH → DEN Denver	14,513	79.3%	67
5	IAH → ATL Atlanta	13,924	77.0%	59
6	IAH → LGA New York	12,046	75.7%	52
7	IAH → LAS Las Vegas	11,636	79.9%	68
8	IAH → EWR Newark	11,224	75.6%	53
9	IAH → MCO Orlando	11,088	77.9%	59
10	IAH → MIA Miami	10,563	75.6%	53
11	IAH → SFO San Francisco	10,034	77.3%	65
12	IAH → MSY New Orleans	8,825	80.3%	66
13	IAH → PHX Phoenix	8,307	79.0%	64
14	IAH → FLL Fort Lauderdale	7,873	77.1%	60
15	IAH → DCA Washington	7,556	76.7%	58
16	IAH → CLT Charlotte	7,328	77.5%	53
17	IAH → AUS Austin	7,300	76.6%	60
18	IAH → DTW Detroit	6,873	80.4%	65
19	IAH → SAT San Antonio	6,810	79.3%	66
20	IAH → SEA Seattle	6,298	77.2%	65
21	IAH → BOS Boston	5,944	73.8%	50
22	IAH → SLC Salt Lake City	5,909	81.7%	70
23	IAH → PHL Philadelphia	5,706	80.1%	58
24	IAH → MSP Minneapolis	5,548	78.6%	61
25	IAH → IAD Washington	5,351	77.8%	68
26	IAH → SAN San Diego	5,292	80.6%	69
27	IAH → BNA Nashville	5,291	77.4%	61
28	IAH → TPA Tampa	5,089	79.2%	61
29	IAH → SNA Santa Ana	3,630	83.5%	78
30	IAH → BWI Baltimore	3,524	77.7%	62
31	IAH → CLE Cleveland	3,134	82.3%	74
32	IAH → PDX Portland	3,010	79.4%	68
33	IAH → SJU San Juan	2,780	80.0%	70
34	IAH → RDU Raleigh–Durham	2,624	78.6%	65
35	IAH → RSW Fort Myers	2,436	78.3%	65
36	IAH → IND Indianapolis	2,334	78.5%	64
37	IAH → JAX Jacksonville	2,240	74.9%	60
38	IAH → MEM Memphis	2,230	75.5%	58
39	IAH → PIT Pittsburgh	1,998	79.3%	65
40	IAH → OMA Omaha	1,911	72.9%	53
41	IAH → ABQ Albuquerque	1,534	77.4%	62
42	IAH → MDW Chicago	1,202	78.4%	61
43	IAH → JFK New York	1,062	67.1%	27
44	IAH → MKE Milwaukee	773	78.2%	62

Source: FlyerIntel analysis of US DOT BTS data · July 2023 – June 2026

Routes to IAH

44 directional routes with IAH as the destination, ordered by flights operated.

Routes to IAH
#	Route	Flights	On time	Score
1	ORD → IAH Chicago	16,464	77.0%	62
2	DFW → IAH Dallas–Fort Worth	16,451	71.5%	40
3	LAX → IAH Los Angeles	16,063	85.4%	78
4	DEN → IAH Denver	14,528	76.9%	65
5	ATL → IAH Atlanta	13,939	75.7%	57
6	LGA → IAH New York	12,054	78.9%	57
7	LAS → IAH Las Vegas	11,648	82.5%	73
8	EWR → IAH Newark	11,227	77.7%	58
9	MCO → IAH Orlando	11,090	78.8%	60
10	MIA → IAH Miami	10,571	73.7%	51
11	SFO → IAH San Francisco	10,033	84.5%	81
12	MSY → IAH New Orleans	8,827	83.2%	69
13	PHX → IAH Phoenix	8,305	83.3%	72
14	FLL → IAH Fort Lauderdale	7,873	76.8%	61
15	DCA → IAH Washington	7,555	82.3%	65
16	CLT → IAH Charlotte	7,330	74.8%	53
17	AUS → IAH Austin	7,298	78.5%	65
18	DTW → IAH Detroit	6,865	79.0%	67
19	SAT → IAH San Antonio	6,808	83.3%	71
20	SEA → IAH Seattle	6,298	79.3%	71
21	BOS → IAH Boston	5,942	78.4%	66
22	SLC → IAH Salt Lake City	5,911	83.6%	75
23	PHL → IAH Philadelphia	5,706	78.5%	58
24	MSP → IAH Minneapolis	5,547	81.4%	71
25	IAD → IAH Washington	5,349	81.0%	73
26	BNA → IAH Nashville	5,293	82.5%	68
27	SAN → IAH San Diego	5,291	84.7%	74
28	TPA → IAH Tampa	5,094	82.5%	65
29	SNA → IAH Santa Ana	3,631	88.1%	82
30	BWI → IAH Baltimore	3,528	79.8%	66
31	CLE → IAH Cleveland	3,134	86.8%	85
32	PDX → IAH Portland	3,011	86.2%	77
33	SJU → IAH San Juan	2,784	84.0%	77
34	RDU → IAH Raleigh–Durham	2,628	81.0%	66
35	RSW → IAH Fort Myers	2,437	83.0%	70
36	IND → IAH Indianapolis	2,335	81.6%	69
37	MEM → IAH Memphis	2,227	79.6%	66
38	JAX → IAH Jacksonville	2,223	87.1%	76
39	PIT → IAH Pittsburgh	1,999	83.0%	72
40	SMF → IAH Sacramento	1,750	89.5%	85
41	TUS → IAH Tucson	1,327	89.0%	78
42	MDW → IAH Chicago	1,199	72.2%	58
43	ONT → IAH Ontario	1,154	81.4%	69
44	MKE → IAH Milwaukee	771	82.4%	72

Source: FlyerIntel analysis of US DOT BTS data · July 2023 – June 2026

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Analysis last recomputed September 15, 2026