← June 2025 · August 2025 → · All months

69% of flights arrived on time in July 2025, and 2.6% were cancelled. Hawaiian Airlines was the most punctual airline (79%); Frontier Airlines was the least (62%). The most delayed busy route was PHL → SJU (42% on time).

Airlines

#	Airline	Flights	On time	Year earlier	Cancelled
1	Hawaiian Airlines	7,066	79%	84%	0.7%
2	Delta Air Lines	147,752	74%	68%	2.4%
3	Spirit Airlines	17,307	73%	61%	1.9%
4	Alaska Airlines	39,313	72%	76%	1.6%
5	Southwest Airlines	125,677	70%	71%	1.3%
6	Allegiant Air	13,978	69%	68%	0.4%
7	United Airlines	129,924	68%	70%	2.4%
8	American Airlines	177,933	66%	66%	4.0%
9	JetBlue	20,690	63%	68%	5.0%
10	Frontier Airlines	16,409	62%	62%	2.9%

Most delayed routes

Route	Flights	On time
PHL → SJU	132	42%
DFW → FAT	152	43%
LIT → DEN	133	46%
DFW → JAX	190	46%
SEA → JFK	279	47%
EWR → RIC	150	47%
DFW → MSY	252	48%
BTV → ORD	121	48%
CLT → MCO	401	48%
DFW → ONT	224	48%
EWR → IAD	155	48%
TPA → LGA	239	49%
DFW → BNA	318	49%
DFW → MCO	447	49%
JFK → PWM	123	49%
ORD → SBN	184	49%
SEA → HNL	248	49%
TPA → EWR	243	49%
DFW → MCI	240	50%
SMF → ORD	123	50%

Most reliable routes

Route	Flights	On time
BOI → SLC	149	96%
FAT → SLC	123	96%
SLC → FAT	123	94%
SGU → SLC	134	94%
BOI → LAX	148	94%
SAN → LAX	209	93%
BOI → PDX	150	93%
BUR → SLC	134	93%
OAK → SLC	150	92%
RNO → PDX	123	92%
PSC → SLC	122	92%
SLC → OAK	150	90%
SJC → SLC	176	90%
PNS → ATL	254	90%
GRR → ATL	125	90%
LAX → SAN	209	89%
ANC → FAI	231	89%
ANC → PDX	155	89%
SLC → JAC	124	89%
GEG → LAX	131	89%

Airports

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

#	Airport	Departures	On time	Cancelled
1	HNL Honolulu	5,176	83%	1.2%
2	SJC San Jose	4,299	80%	0.9%
3	SLC Salt Lake City	10,373	79%	0.7%
4	SMF Sacramento	5,556	78%	0.7%
5	OAK Oakland	3,168	77%	1.0%
6	LAX Los Angeles LAX	17,718	76%	1.2%
7	PDX Portland	7,303	76%	1.1%
8	SAT San Antonio	3,764	75%	1.5%
9	PHX Phoenix Sky Harbor	15,759	74%	1.0%
10	SNA Orange County John Wayne	4,063	74%	1.4%
11	SJU San Juan	3,415	74%	1.6%
12	PIT Pittsburgh	4,242	73%	3.4%
13	MSP Minneapolis-St. Paul	11,968	73%	0.8%
14	SAN San Diego	8,869	73%	1.3%
15	SFO San Francisco	13,226	73%	1.1%
16	IND Indianapolis	4,609	73%	3.2%
17	CLE Cleveland Hopkins	4,037	72%	4.3%
18	LAS Las Vegas Harry Reid	15,920	72%	1.2%
19	DTW Detroit Metro	13,304	72%	1.8%
20	MCI Kansas City	4,733	71%	2.1%
21	STL St. Louis Lambert	6,303	70%	1.6%
22	CMH John Glenn Columbus	4,149	70%	3.3%
23	MSY New Orleans	4,072	70%	1.8%
24	HOU Houston Hobby	5,093	70%	0.8%
25	FLL Fort Lauderdale	6,944	69%	2.2%
26	IAH Houston Bush Intercontinental	14,946	69%	1.8%
27	SEA Seattle-Tacoma	18,264	69%	1.3%
28	CVG Cincinnati Northern Kentucky	3,937	68%	3.3%
29	AUS Austin-Bergstrom	8,043	68%	1.6%
30	ATL Atlanta Hartsfield-Jackson	31,122	68%	1.5%
31	RDU Raleigh-Durham	5,667	68%	4.5%
32	BOS Boston Logan	13,031	68%	4.1%
33	BNA Nashville	9,796	68%	2.3%
34	TPA Tampa	6,770	68%	1.8%
35	DAL Dallas Love Field	6,349	67%	1.3%
36	CLT Charlotte Douglas	20,971	66%	2.3%
37	IAD Washington Dulles	8,436	66%	3.9%
38	MDW Chicago Midway	7,563	66%	1.8%
39	MCO Orlando	13,583	65%	1.8%
40	JFK New York JFK	11,187	64%	7.5%
41	BWI Baltimore/Washington	8,940	64%	3.6%
42	EWR Newark	11,523	63%	7.3%
43	PHL Philadelphia	11,651	62%	5.0%
44	DFW Dallas/Fort Worth	29,056	62%	3.1%
45	ORD Chicago O'Hare	32,413	62%	2.5%
46	DEN Denver	29,433	62%	1.5%
47	MIA Miami	9,079	62%	2.6%
48	LGA LaGuardia	14,523	61%	9.3%
49	DCA Washington Reagan National	12,656	60%	9.7%

Routes need 120+ flights in the month to be ranked (2,008 were). Figures as published by BTS; frozen 2026-08. Method.

July 2025 report

Airlines

Most delayed routes

Most reliable routes

Airports