70% of flights arrived on time in June 2025, and 1.8% were cancelled. Hawaiian Airlines was the most punctual airline (82%); Frontier Airlines was the least (59%). The most delayed busy route was DCA → CLE (42% on time).

Airlines

#	Airline	Flights	On time	Year earlier	Cancelled
1	Hawaiian Airlines	6,839	82%	84%	0.2%
2	Spirit Airlines	17,623	74%	71%	1.4%
3	Delta Air Lines	142,996	73%	79%	2.1%
4	Alaska Airlines	37,807	73%	77%	0.7%
5	United Airlines	124,214	71%	76%	1.2%
6	Southwest Airlines	122,348	71%	74%	0.6%
7	JetBlue	18,953	71%	70%	0.6%
8	Allegiant Air	13,783	69%	73%	0.4%
9	American Airlines	173,558	66%	72%	3.1%
10	Frontier Airlines	16,058	59%	61%	3.1%

Most delayed routes

Route	Flights	On time
DCA → CLE	133	42%
DFW → MCI	231	45%
DEN → MAF	136	46%
DFW → JAX	185	46%
LIT → DEN	129	47%
DFW → FAT	149	48%
ASE → DEN	231	48%
CLE → DCA	133	48%
DFW → BNA	309	49%
IAH → ECP	142	49%
DEN → OAK	155	50%
DCA → CVG	171	50%
DFW → BWI	144	50%
DFW → OMA	152	50%
DFW → SDF	187	50%
PNS → DFW	225	51%
MCI → DFW	230	51%
PBI → JFK	151	51%
RNO → SEA	139	51%
ATL → MCO	684	51%

Most reliable routes

Route	Flights	On time
BOI → LAX	147	96%
OGG → SFO	126	94%
HNL → LAS	180	93%
SMF → SLC	197	92%
BOI → SLC	147	92%
LGB → SLC	121	92%
SLC → LGB	121	92%
SGU → SLC	130	92%
SLC → SGU	130	92%
HNL → ITO	522	91%
FAR → MSP	144	91%
PDX → MSP	168	90%
GEG → SLC	144	90%
LAX → BOI	147	90%
HNL → LIH	676	90%
SFO → OGG	126	90%
BUR → SLC	135	90%
SFO → MSP	182	90%
HNL → OGG	871	90%
SLC → SMF	197	89%

Airports

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

#	Airport	Departures	On time	Cancelled
1	HNL Honolulu	4,970	87%	0.3%
2	SJU San Juan	3,187	81%	0.9%
3	SLC Salt Lake City	10,022	80%	0.5%
4	SJC San Jose	4,209	80%	0.6%
5	OAK Oakland	3,167	79%	0.5%
6	SMF Sacramento	5,413	78%	0.5%
7	LAX Los Angeles LAX	17,149	78%	0.6%
8	PDX Portland	7,006	78%	0.5%
9	SFO San Francisco	12,885	77%	0.6%
10	SNA Orange County John Wayne	4,005	77%	1.1%
11	MSP Minneapolis-St. Paul	11,445	76%	0.9%
12	PHX Phoenix Sky Harbor	15,634	75%	0.6%
13	IND Indianapolis	4,546	75%	2.0%
14	PIT Pittsburgh	4,098	74%	1.7%
15	SAT San Antonio	3,699	74%	1.5%
16	LAS Las Vegas Harry Reid	15,963	74%	0.8%
17	DTW Detroit Metro	12,698	74%	1.4%
18	CLE Cleveland Hopkins	3,918	73%	2.9%
19	BOS Boston Logan	12,490	73%	1.3%
20	SAN San Diego	8,637	73%	0.8%
21	CMH John Glenn Columbus	4,114	72%	2.4%
22	STL St. Louis Lambert	6,143	72%	1.1%
23	CVG Cincinnati Northern Kentucky	3,826	71%	2.0%
24	FLL Fort Lauderdale	6,558	71%	1.0%
25	RDU Raleigh-Durham	5,551	71%	2.6%
26	MCI Kansas City	4,653	71%	1.4%
27	SEA Seattle-Tacoma	17,376	71%	0.6%
28	EWR Newark	9,765	70%	2.6%
29	TPA Tampa	6,567	70%	1.3%
30	MCO Orlando	13,237	70%	0.9%
31	MDW Chicago Midway	7,212	69%	0.7%
32	AUS Austin-Bergstrom	7,854	69%	0.9%
33	ORD Chicago O'Hare	31,730	69%	0.9%
34	BNA Nashville	9,685	68%	1.5%
35	MIA Miami	8,831	68%	1.6%
36	BWI Baltimore/Washington	8,677	67%	1.4%
37	MSY New Orleans	4,088	67%	1.8%
38	IAD Washington Dulles	8,565	67%	1.7%
39	HOU Houston Hobby	4,932	67%	1.5%
40	JFK New York JFK	10,709	66%	3.6%
41	CLT Charlotte Douglas	20,739	64%	3.0%
42	PHL Philadelphia	11,190	63%	3.3%
43	DAL Dallas Love Field	6,205	63%	1.0%
44	DEN Denver	28,175	63%	0.7%
45	IAH Houston Bush Intercontinental	14,570	63%	3.0%
46	ATL Atlanta Hartsfield-Jackson	30,509	63%	2.6%
47	LGA LaGuardia	13,935	62%	5.2%
48	DCA Washington Reagan National	12,227	62%	5.9%
49	DFW Dallas/Fort Worth	28,296	60%	2.9%

Routes need 120+ flights in the month to be ranked (1,915 were). Figures as published by BTS; frozen 2026-08. Method.

June 2025 report

Airlines

Most delayed routes

Most reliable routes

Airports