← June 2026 · August 2026 → · All months

69% of flights arrived on time in July 2026, and 2.8% were cancelled. Alaska Airlines was the most punctual airline (75%); JetBlue was the least (56%). The most delayed busy route was RNO → SFO (34% on time).

Airlines

#	Airline	Flights	On time	Year earlier	Cancelled
1	Alaska Airlines	47,436	75%	72%	1.1%
2	United Airlines	136,232	72%	68%	2.7%
3	Delta Air Lines	149,051	72%	74%	3.3%
4	Allegiant Air	13,314	69%	69%	0.5%
5	Southwest Airlines	124,994	68%	70%	1.1%
6	American Airlines	182,933	68%	66%	3.2%
7	Frontier Airlines	20,482	63%	62%	3.4%
8	JetBlue	23,312	56%	63%	9.8%

Most delayed routes

Route	Flights	On time
RNO → SFO	150	34%
SEA → SFO	666	35%
DAL → LGA	142	37%
SAN → SFO	690	37%
ACV → SFO	123	38%
SLC → SFO	296	39%
LAS → SFO	549	39%
BUR → SFO	269	42%
BOI → SFO	151	42%
PHX → SFO	404	43%
PDX → SFO	325	43%
DEN → SFO	514	44%
RDU → DCA	251	44%
ONT → SFO	123	44%
SNA → SFO	404	44%
DAL → DCA	147	44%
LAX → SFO	1118	44%
DCA → RDU	250	45%
LAX → DAL	146	45%
DFW → SFO	422	46%

Most reliable routes

Route	Flights	On time
SNA → PDX	123	94%
ABQ → SLC	120	93%
SGU → SLC	128	93%
ANC → JNU	123	93%
PSC → SLC	120	92%
RNO → SLC	120	92%
BUR → SLC	123	91%
OGG → SFO	190	91%
JAX → IAH	122	91%
LIH → LAX	201	91%
MCI → SEA	127	91%
PDX → SNA	123	90%
SLC → OAK	123	90%
IND → AUS	173	90%
SLC → RNO	120	90%
MSP → SLC	149	90%
KOA → OGG	124	90%
IDA → SLC	123	89%
SLC → BUR	123	89%
SLC → BZN	123	89%

Airports

Airports with at least 3,000 departures in the month, most punctual first.

#	Airport	Departures	On time	Cancelled
1	HNL Honolulu	5,112	83%	0.8%
2	SLC Salt Lake City	10,421	78%	0.8%
3	PDX Portland	7,552	78%	0.9%
4	IND Indianapolis	4,763	78%	3.2%
5	SMF Sacramento	5,230	78%	1.0%
6	CMH John Glenn Columbus	4,221	77%	3.3%
7	MCI Kansas City	4,914	77%	1.8%
8	SAT San Antonio	3,542	76%	1.0%
9	SJC San Jose	4,076	76%	0.7%
10	MSP Minneapolis-St. Paul	12,141	75%	1.4%
11	IAH Houston Bush Intercontinental	14,865	75%	0.9%
12	CVG Cincinnati Northern Kentucky	4,091	74%	3.6%
13	SNA Orange County John Wayne	4,054	74%	1.1%
14	PIT Pittsburgh	4,167	73%	4.3%
15	CLE Cleveland Hopkins	4,118	73%	4.8%
16	LAX Los Angeles LAX	17,605	72%	1.2%
17	IAD Washington Dulles	8,216	71%	4.0%
18	SEA Seattle-Tacoma	17,968	71%	0.8%
19	STL St. Louis Lambert	6,213	70%	2.0%
20	DTW Detroit Metro	12,494	70%	2.4%
21	TPA Tampa	6,106	70%	2.2%
22	PHX Phoenix Sky Harbor	16,158	69%	0.9%
23	AUS Austin-Bergstrom	8,310	69%	1.3%
24	SJU San Juan	3,326	69%	3.3%
25	DEN Denver	29,503	69%	0.8%
26	ORD Chicago O'Hare	35,305	68%	4.3%
27	HOU Houston Hobby	4,773	68%	1.0%
28	LAS Las Vegas Harry Reid	14,548	68%	1.1%
29	RDU Raleigh-Durham	5,545	68%	4.9%
30	MSY New Orleans	3,832	67%	2.1%
31	MDW Chicago Midway	7,465	67%	2.3%
32	BOS Boston Logan	13,277	66%	5.9%
33	MCO Orlando	13,143	66%	2.4%
34	BWI Baltimore/Washington	8,485	66%	4.3%
35	SAN San Diego	10,193	66%	1.6%
36	DFW Dallas/Fort Worth	28,658	65%	1.2%
37	EWR Newark	11,013	65%	8.5%
38	SFO San Francisco	13,990	65%	1.2%
39	ATL Atlanta Hartsfield-Jackson	31,120	64%	2.5%
40	CLT Charlotte Douglas	20,286	64%	2.0%
41	DAL Dallas Love Field	6,237	63%	1.1%
42	PHL Philadelphia	12,319	63%	5.8%
43	BNA Nashville	10,386	63%	2.1%
44	MIA Miami	9,204	62%	2.1%
45	LGA LaGuardia	14,200	61%	10.6%
46	FLL Fort Lauderdale	7,161	60%	3.9%
47	JFK New York JFK	11,041	59%	11.6%
48	DCA Washington Reagan National	12,541	58%	8.1%

Routes need 120+ flights in the month to be ranked (2,021 were). Figures as published by BTS; frozen 2026-08. Method.

July 2026 report

Airlines

Most delayed routes

Most reliable routes

Airports