Oakland International in December 2024

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 December 2024, reporting carriers scheduled 3,179 domestic departures from Oakland International (OAK). 77.4% left less than 15 minutes late and 82.1% reached their destination on time; 0.8% were cancelled.

Nationally that month, 77.8% of flights departed on time and 78.1% arrived on time, so OAK departures were level with the national departure figure.

A year earlier, in December 2023, the airport had 3,962 departures with 78.1% leaving on time: a change of −0.7 points, with flights down 20%.

Flights arriving at OAK that month were on time 81.5% of the time (3,178 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 51%, air carrier 31% and national aviation system 15%.

On time 82.1%
Arrived 15+ minutes late 16.8%
Cancelled 0.8%
Diverted 0.3%

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

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

Measure	Dec 2024	Dec 2023	OAK, 12 months to Jul 2026	All reported flights, Dec 2024
Departed on time	77.4%	78.1%	75.5%	77.8%
Arrived on time	82.1%	79.8%	78.5%	78.1%
Cancelled	0.8%	0.9%	0.6%	0.7%
Average departure delay (late minutes only)	12.9 min	11.9 min	13.4 min	16.6 min
Scheduled departures a day	106	132	86	19,686
Scheduled departures	3,179	3,962	31,406	590,581

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	2,713	85%	81.5%	2.7 min	0.9%
NK Spirit Airlines	211	7%	81.5%	5.2 min	0.5%
HA Hawaiian Airlines	93	3%	87.1%	5.4 min	1.1%
AS Alaska Airlines	61	2%	85.2%	0.3 min	0.0%
OO SkyWest Airlines	46	1%	93.5%	-12.5 min	0.0%
DL Delta Air Lines	44	1%	88.6%	-7.6 min	0.0%
G4 Allegiant Air	11	0%	100.0%	-12.2 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
OAK–LAS	Oakland to Las Vegas	385	82.9%	1.6 min	0.0%
OAK–SAN	Oakland to San Diego	291	73.2%	9.8 min	4.1%
OAK–BUR	Oakland to Burbank	267	83.5%	2.2 min	1.9%
OAK–SNA	Oakland to Santa Ana	244	80.3%	3.3 min	1.6%
OAK–LAX	Oakland to Los Angeles	189	84.7%	0.8 min	0.0%
OAK–PHX	Oakland to Phoenix	175	78.9%	6.0 min	0.6%
OAK–LGB	Oakland to Long Beach	161	75.8%	5.3 min	1.2%
OAK–SEA	Oakland to Seattle	161	80.1%	4.5 min	0.0%
OAK–SLC	Oakland to Salt Lake City	157	87.3%	-4.6 min	0.0%
OAK–DEN	Oakland to Denver	141	87.9%	-0.3 min	0.0%
OAK–PDX	Oakland to Portland	134	82.1%	4.9 min	0.0%
OAK–ONT	Oakland to Ontario	126	84.1%	0.7 min	0.0%

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), December 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2024	Minutes
Air carrier	31.3%	34.3%	9,646
Late-arriving aircraft	51.2%	40.2%	15,794
National Aviation System	15.4%	17.8%	4,743
Extreme weather	2.0%	7.5%	620
Security	0.1%	0.2%	46

30,849 delay minutes on 534 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 December 2024?

77.4% of 3,179 scheduled domestic departures left less than 15 minutes late, and 82.1% reached their destination on time. The national figures that month were 77.8% and 78.1%.

How does that compare with a year earlier?

In December 2023, 78.1% of 3,962 departures left on time and 0.9% were cancelled, against 77.4% and 0.8% in December 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 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.