Oakland International in March 2026

75.9%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 March 2026, reporting carriers scheduled 2,569 domestic departures from Oakland International (OAK). 75.9% left less than 15 minutes late and 79.2% reached their destination on time; 1.0% were cancelled.

Nationally that month, 72.8% of flights departed on time and 73.2% arrived on time, so OAK departures were 3.1 points above the national departure figure.

A year earlier, in March 2025, the airport had 3,094 departures with 84.6% leaving on time: a change of −8.7 points, with flights down 17%.

Flights arriving at OAK that month were on time 81.0% of the time (2,566 scheduled arrivals).

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

On time 79.2%
Arrived 15+ minutes late 19.7%
Cancelled 1.0%
Diverted 0.1%

Every scheduled departure from OAK in March 2026, judged by arrival at the destination.

March 2026 against a year earlier, the airport's year and the nation

Measure	Mar 2026	Mar 2025	OAK, 12 months to Jul 2026	All reported flights, Mar 2026
Departed on time	75.9%	84.6%	75.5%	72.8%
Arrived on time	79.2%	88.0%	78.5%	73.2%
Cancelled	1.0%	0.5%	0.6%	2.9%
Average departure delay (late minutes only)	13.6 min	7.3 min	13.4 min	20.3 min
Scheduled departures a day	86	103	86	20,403
Scheduled departures	2,569	3,094	31,406	612,102

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	2,301	90%	78.8%	4.8 min	0.9%
AS Alaska Airlines	155	6%	80.0%	-0.4 min	3.2%
OO SkyWest Airlines	104	4%	87.5%	-6.3 min	0.0%
G4 Allegiant Air	9	0%	77.8%	3.9 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
OAK–LAS	Oakland to Las Vegas	285	78.6%	6.0 min	1.1%
OAK–SAN	Oakland to San Diego	229	70.3%	14.9 min	0.9%
OAK–BUR	Oakland to Burbank	219	79.9%	5.4 min	0.9%
OAK–SNA	Oakland to Santa Ana	207	87.9%	-0.6 min	1.4%
OAK–PHX	Oakland to Phoenix	177	80.8%	5.7 min	1.1%
OAK–LAX	Oakland to Los Angeles	169	79.9%	4.0 min	0.6%
OAK–SLC	Oakland to Salt Lake City	145	91.0%	-6.5 min	0.0%
OAK–DEN	Oakland to Denver	124	64.5%	12.2 min	1.6%
OAK–LGB	Oakland to Long Beach	124	83.9%	-0.6 min	0.8%
OAK–SEA	Oakland to Seattle	124	78.2%	2.9 min	3.2%
OAK–ONT	Oakland to Ontario	121	77.7%	3.5 min	0.8%
OAK–PDX	Oakland to Portland	101	80.2%	-0.3 min	1.0%

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), March 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Mar 2026	Minutes
Air carrier	44.2%	33.5%	11,895
Late-arriving aircraft	42.2%	39.3%	11,364
National Aviation System	12.5%	21.0%	3,379
Extreme weather	0.7%	5.9%	180
Security	0.4%	0.2%	112

26,930 delay minutes on 506 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 March 2026?

75.9% of 2,569 scheduled domestic departures left less than 15 minutes late, and 79.2% reached their destination on time. The national figures that month were 72.8% and 73.2%.

How does that compare with a year earlier?

In March 2025, 84.6% of 3,094 departures left on time and 0.5% were cancelled, against 75.9% and 1.0% in March 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for March 2026; 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.