John Wayne Airport-Orange County in August 2023

77.4%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In August 2023, reporting carriers scheduled 3,913 domestic departures from John Wayne Airport-Orange County (SNA). 77.4% left less than 15 minutes late and 79.0% reached their destination on time; 2.7% were cancelled.

Nationally that month, 76.7% of flights departed on time and 76.9% arrived on time, so SNA departures were 0.7 points above the national departure figure.

Flights arriving at SNA that month were on time 78.8% of the time (3,913 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 44%, air carrier 42% and national aviation system 13%.

On time 79.0%
Arrived 15+ minutes late 17.8%
Cancelled 2.7%
Diverted 0.4%

Every scheduled departure from SNA in August 2023, judged by arrival at the destination.

August 2023 against a year earlier, the airport's year and the nation

Measure	Aug 2023	Year earlier	SNA, 12 months to Jul 2026	All reported flights, Aug 2023
Departed on time	77.4%	—	78.9%	76.7%
Arrived on time	79.0%	—	80.3%	76.9%
Cancelled	2.7%	—	1.1%	1.5%
Average departure delay (late minutes only)	15.3 min	—	15.2 min	17.3 min
Scheduled departures a day	130	—	124	20,100
Scheduled departures	3,913	—	45,231	602,987

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	1,272	33%	73.3%	6.3 min	4.6%
UA United Airlines	581	15%	85.2%	-1.9 min	1.5%
AA American Airlines	577	15%	83.4%	10.5 min	1.0%
DL Delta Air Lines	447	11%	81.9%	2.9 min	1.6%
OO SkyWest Airlines	364	9%	78.8%	3.7 min	1.4%
AS Alaska Airlines	340	9%	89.7%	-5.7 min	0.6%
F9 Frontier Airlines	124	3%	65.3%	14.1 min	11.3%
NK Spirit Airlines	124	3%	81.5%	6.6 min	2.4%
G4 Allegiant Air	84	2%	53.6%	44.4 min	3.6%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SNA–SEA	Santa Ana to Seattle	398	87.7%	-5.3 min	0.8%
SNA–SFO	Santa Ana to San Francisco	395	81.5%	1.5 min	1.0%
SNA–LAS	Santa Ana to Las Vegas	376	69.9%	11.3 min	5.6%
SNA–PHX	Santa Ana to Phoenix	344	76.2%	12.2 min	6.1%
SNA–DEN	Santa Ana to Denver	327	77.7%	0.6 min	3.4%
SNA–DFW	Santa Ana to Dallas/Fort Worth	300	84.0%	0.9 min	2.0%
SNA–OAK	Santa Ana to Oakland	235	80.4%	2.4 min	3.4%
SNA–SJC	Santa Ana to San Jose	229	71.2%	7.7 min	4.4%
SNA–ORD	Santa Ana to Chicago	213	85.9%	-0.9 min	0.0%
SNA–SMF	Santa Ana to Sacramento	189	74.1%	4.6 min	3.2%
SNA–SLC	Santa Ana to Salt Lake City	151	89.4%	-3.3 min	0.7%
SNA–IAH	Santa Ana to Houston	124	87.1%	2.1 min	0.8%

By scheduled departure hour

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), August 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Aug 2023	Minutes
Air carrier	41.9%	36.7%	20,562
Late-arriving aircraft	44.2%	42.2%	21,698
National Aviation System	12.8%	15.7%	6,310
Extreme weather	0.9%	5.1%	444
Security	0.2%	0.2%	106

49,120 delay minutes on 696 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left SNA on time in August 2023?

77.4% of 3,913 scheduled domestic departures left less than 15 minutes late, and 79.0% reached their destination on time. The national figures that month were 76.7% and 76.9%.

How does that compare with a year earlier?

August 2022 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for August 2023; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for SNA · methodology · corrections.