Oakland International in January 2025

85.9%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 January 2025, reporting carriers scheduled 2,868 domestic departures from Oakland International (OAK). 85.9% left less than 15 minutes late and 88.3% reached their destination on time; 0.9% were cancelled.

Nationally that month, 79.3% of flights departed on time and 78.6% arrived on time, so OAK departures were 6.6 points above the national departure figure.

A year earlier, in January 2024, the airport had 3,538 departures with 79.0% leaving on time: a change of +6.9 points, with flights down 19%.

Flights arriving at OAK that month were on time 87.4% of the time (2,870 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 40%, late-arriving aircraft 37% and national aviation system 22%.

On time 88.3%
Arrived 15+ minutes late 10.5%
Cancelled 0.9%
Diverted 0.3%

Every scheduled departure from OAK in January 2025, judged by arrival at the destination.

January 2025 against a year earlier, the airport's year and the nation

Measure	Jan 2025	Jan 2024	OAK, 12 months to Jul 2026	All reported flights, Jan 2025
Departed on time	85.9%	79.0%	75.5%	79.3%
Arrived on time	88.3%	80.8%	78.5%	78.6%
Cancelled	0.9%	1.7%	0.6%	3.0%
Average departure delay (late minutes only)	7.2 min	10.5 min	13.4 min	14.0 min
Scheduled departures a day	96	118	86	17,992
Scheduled departures	2,868	3,538	31,406	539,747

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	2,446	85%	87.9%	-5.4 min	0.9%
NK Spirit Airlines	196	7%	90.3%	-2.7 min	1.0%
HA Hawaiian Airlines	87	3%	92.0%	-13.2 min	2.3%
OO SkyWest Airlines	58	2%	93.1%	-10.0 min	0.0%
AS Alaska Airlines	40	1%	85.0%	0.2 min	0.0%
DL Delta Air Lines	31	1%	93.5%	-8.1 min	0.0%
G4 Allegiant Air	10	0%	80.0%	-14.2 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
OAK–LAS	Oakland to Las Vegas	375	84.3%	1.3 min	0.3%
OAK–BUR	Oakland to Burbank	263	90.1%	-9.5 min	2.3%
OAK–SAN	Oakland to San Diego	246	85.8%	-0.6 min	1.2%
OAK–SNA	Oakland to Santa Ana	203	89.2%	-11.1 min	2.0%
OAK–LAX	Oakland to Los Angeles	184	89.7%	-10.2 min	2.2%
OAK–PHX	Oakland to Phoenix	155	87.1%	0.5 min	0.0%
OAK–LGB	Oakland to Long Beach	153	90.2%	-6.1 min	0.0%
OAK–SLC	Oakland to Salt Lake City	153	92.8%	-7.7 min	0.0%
OAK–SEA	Oakland to Seattle	132	88.6%	-2.7 min	0.0%
OAK–DEN	Oakland to Denver	126	84.1%	4.3 min	0.0%
OAK–ONT	Oakland to Ontario	120	90.8%	-6.9 min	1.7%
OAK–PDX	Oakland to Portland	101	85.1%	0.2 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), January 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jan 2025	Minutes
Air carrier	40.2%	36.2%	6,128
Late-arriving aircraft	36.6%	34.7%	5,581
National Aviation System	22.0%	19.9%	3,362
Extreme weather	1.2%	9.1%	189
Security	0.0%	0.2%	0

15,260 delay minutes on 301 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 January 2025?

85.9% of 2,868 scheduled domestic departures left less than 15 minutes late, and 88.3% reached their destination on time. The national figures that month were 79.3% and 78.6%.

How does that compare with a year earlier?

In January 2024, 79.0% of 3,538 departures left on time and 1.7% were cancelled, against 85.9% and 0.9% in January 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for January 2025; 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.