Oakland International in April 2024

83.5%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 April 2024, reporting carriers scheduled 3,512 domestic departures from Oakland International (OAK). 83.5% left less than 15 minutes late and 85.8% reached their destination on time; 0.4% were cancelled.

Nationally that month, 80.5% of flights departed on time and 80.2% arrived on time, so OAK departures were 3.0 points above the national departure figure.

Flights arriving at OAK that month were on time 83.8% of the time (3,509 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 14%.

On time 85.8%
Arrived 15+ minutes late 13.7%
Cancelled 0.4%
Diverted 0.1%

Every scheduled departure from OAK in April 2024, judged by arrival at the destination.

April 2024 against a year earlier, the airport's year and the nation

Measure	Apr 2024	Year earlier	OAK, 12 months to Jul 2026	All reported flights, Apr 2024
Departed on time	83.5%	—	75.5%	80.5%
Arrived on time	85.8%	—	78.5%	80.2%
Cancelled	0.4%	—	0.6%	0.7%
Average departure delay (late minutes only)	8.6 min	—	13.4 min	14.2 min
Scheduled departures a day	117	—	86	19,406
Scheduled departures	3,512	—	31,406	582,185

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	2,950	84%	85.2%	0.7 min	0.4%
NK Spirit Airlines	220	6%	87.3%	-2.4 min	0.0%
OO SkyWest Airlines	192	5%	89.1%	-4.1 min	0.5%
AS Alaska Airlines	60	2%	91.7%	-7.0 min	1.7%
HA Hawaiian Airlines	60	2%	90.0%	-10.8 min	1.7%
DL Delta Air Lines	30	1%	93.3%	-11.1 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
OAK–LAX	Oakland to Los Angeles	361	86.7%	-1.3 min	1.1%
OAK–LAS	Oakland to Las Vegas	359	80.2%	4.5 min	0.3%
OAK–SAN	Oakland to San Diego	261	79.7%	5.5 min	0.8%
OAK–BUR	Oakland to Burbank	250	88.8%	-3.5 min	1.2%
OAK–SNA	Oakland to Santa Ana	218	91.3%	-5.8 min	0.0%
OAK–SEA	Oakland to Seattle	180	82.8%	1.8 min	1.1%
OAK–PDX	Oakland to Portland	171	82.5%	4.4 min	0.0%
OAK–PHX	Oakland to Phoenix	170	90.0%	0.6 min	0.0%
OAK–SLC	Oakland to Salt Lake City	168	92.3%	-5.0 min	0.0%
OAK–DEN	Oakland to Denver	165	78.8%	1.3 min	0.0%
OAK–LGB	Oakland to Long Beach	144	87.5%	-5.2 min	0.7%
OAK–ONT	Oakland to Ontario	129	85.3%	0.6 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), April 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Apr 2024	Minutes
Air carrier	41.6%	33.6%	9,235
Late-arriving aircraft	44.0%	41.0%	9,759
National Aviation System	14.0%	20.0%	3,104
Extreme weather	0.5%	5.1%	102
Security	0.0%	0.2%	0

22,200 delay minutes on 481 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 OAK on time in April 2024?

83.5% of 3,512 scheduled domestic departures left less than 15 minutes late, and 85.8% reached their destination on time. The national figures that month were 80.5% and 80.2%.

How does that compare with a year earlier?

April 2023 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 April 2024; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for OAK · methodology · corrections.