← February 2026 · April 2026 → · All months

73% of flights arrived on time in March 2026, and 2.9% were cancelled. Alaska Airlines was the most punctual airline (79%); Spirit Airlines was the least (48%). The most delayed busy route was DAL → LGA (36% on time).

Airlines

#	Airline	Flights	On time	Year earlier	Cancelled
1	Alaska Airlines	41,343	79%	80%	1.7%
2	United Airlines	129,872	76%	81%	2.7%
3	Delta Air Lines	140,620	75%	82%	3.9%
4	Southwest Airlines	122,298	73%	82%	1.6%
5	American Airlines	174,434	73%	76%	3.2%
6	Allegiant Air	12,522	71%	77%	1.6%
7	JetBlue	21,340	68%	76%	2.0%
8	Frontier Airlines	20,119	68%	73%	3.2%
9	Spirit Airlines	12,952	48%	80%	10.4%

Most delayed routes

Route	Flights	On time
DAL → LGA	139	36%
FLL → PIT	122	39%
BOS → SEA	172	40%
FLL → LGA	496	41%
FLL → AUS	149	41%
ORD → CHO	123	43%
AUS → FLL	149	44%
LAX → FLL	230	44%
MDW → LGA	197	45%
CLE → DCA	138	45%
DTW → SEA	151	45%
FLL → CMH	124	45%
MIA → LGA	577	46%
JFK → SEA	215	47%
PHX → HOU	197	47%
DCA → LGA	436	47%
ORD → LGA	996	48%
LGA → DCA	436	48%
EWR → SEA	165	48%
FLL → IND	142	49%

Most reliable routes

Route	Flights	On time
ONT → OAK	121	97%
SLC → SGU	151	95%
BOI → SLC	147	95%
SGU → SLC	151	94%
PDX → BOI	148	94%
GEG → BOI	120	93%
ANC → PDX	144	93%
SAT → LAX	144	93%
BOI → PDX	148	92%
PDX → SLC	207	92%
SNA → SLC	169	92%
BOI → PHX	213	92%
LGB → SLC	138	91%
SJC → SLC	138	91%
ABQ → LAX	195	91%
SFO → PHL	147	91%
EWR → SAN	124	91%
SLC → SNA	169	91%
MHT → BWI	145	91%
OAK → SLC	145	91%

Airports

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

#	Airport	Departures	On time	Cancelled
1	PDX Portland	6,090	86%	0.9%
2	SJC San Jose	3,594	85%	0.9%
3	SLC Salt Lake City	10,652	85%	1.2%
4	SMF Sacramento	4,742	83%	0.9%
5	SFO San Francisco	12,506	83%	1.0%
6	SNA Orange County John Wayne	3,883	82%	1.2%
7	SEA Seattle-Tacoma	14,321	79%	2.2%
8	SAT San Antonio	3,459	79%	1.4%
9	IAD Washington Dulles	7,605	77%	1.8%
10	LAS Las Vegas Harry Reid	15,249	77%	1.2%
11	SAN San Diego	9,134	77%	1.1%
12	LAX Los Angeles LAX	16,345	77%	1.3%
13	MCI Kansas City	4,482	77%	3.3%
14	PHX Phoenix Sky Harbor	19,415	76%	0.9%
15	IAH Houston Bush Intercontinental	14,869	76%	3.1%
16	DEN Denver	27,089	75%	1.5%
17	PIT Pittsburgh	3,892	75%	2.9%
18	PHL Philadelphia	10,143	75%	2.6%
19	CLT Charlotte Douglas	19,819	75%	2.2%
20	IND Indianapolis	4,778	75%	2.5%
21	EWR Newark	12,034	75%	2.4%
22	CMH John Glenn Columbus	4,189	74%	3.1%
23	TPA Tampa	7,679	74%	2.9%
24	JFK New York JFK	10,453	74%	2.5%
25	RDU Raleigh-Durham	5,351	74%	2.9%
26	CLE Cleveland Hopkins	4,025	73%	3.8%
27	BNA Nashville	9,798	73%	2.3%
28	SJU San Juan	3,441	73%	2.1%
29	MSY New Orleans	4,491	73%	2.8%
30	MSP Minneapolis-St. Paul	10,836	73%	5.0%
31	STL St. Louis Lambert	5,780	73%	2.6%
32	CVG Cincinnati Northern Kentucky	4,027	73%	3.0%
33	BWI Baltimore/Washington	7,803	73%	2.6%
34	HNL Honolulu	5,037	72%	2.2%
35	BOS Boston Logan	12,419	72%	2.7%
36	AUS Austin-Bergstrom	8,076	72%	1.7%
37	ATL Atlanta Hartsfield-Jackson	30,058	72%	3.3%
38	DFW Dallas/Fort Worth	26,029	71%	2.5%
39	DAL Dallas Love Field	6,221	69%	1.3%
40	DTW Detroit Metro	12,292	69%	3.6%
41	RSW Southwest Florida	4,512	68%	3.2%
42	MCO Orlando	15,503	67%	4.0%
43	MIA Miami	10,460	67%	3.0%
44	DCA Washington Reagan National	12,706	66%	4.9%
45	PBI President Donald J. Trump	3,385	66%	3.5%
46	HOU Houston Hobby	4,578	66%	1.4%
47	MDW Chicago Midway	6,600	66%	3.9%
48	ORD Chicago O'Hare	33,592	61%	5.8%
49	LGA LaGuardia	14,376	61%	10.3%
50	FLL Fort Lauderdale	9,928	57%	4.7%

Routes need 120+ flights in the month to be ranked (1,929 were). Figures as published by BTS; frozen 2026-08. Method.

March 2026 report

Airlines

Most delayed routes

Most reliable routes

Airports