ON TIMEBOARD
HOU Houston / OAK Oakland

HOU → OAK on time

Houston Hobby (Houston, TX) to Oakland (Oakland, CA). Every scheduled flight, September 2025 to August 2026.

On time
78%
arrived < 15 min late
Cancelled
0.5%
375 flights
Typical arrival
−2 min
median vs schedule
When late
+45 min
average delay
Flights / day
1
1 airline

78% of flights from Houston to Oakland arrived on time over the past 12 months. That is about the typical U.S. route. 6% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for HOU → OAK: when a flight was late, it was under 45 minutes late 68% of the time. About 1 in 19 flights landed an hour or more late, and 1 in 375 three hours or more; 0.5% were cancelled outright.

Share of all 375 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Southwest Airlines37578%0.5%−2 min5.3%+45 minSouthwest Airlines

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at HOU). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%7 a.m. departures: too few flights (27 flights)7a8 a.m. departures: 92% on time (132 flights)928a9 a.m. departures: too few flights (31 flights)9a10 a.m. departures: too few flights10a11 a.m. departures: too few flights (62 flights)11anoon departures: too few flights (5 flights)12p1 p.m. departures: too few flights1p2 p.m. departures: too few flights (9 flights)2p3 p.m. departures: too few flights (48 flights)3p4 p.m. departures: too few flights (15 flights)4p5 p.m. departures: too few flights5p6 p.m. departures: too few flights (14 flights)6p7 p.m. departures: too few flights (27 flights)7p
HOU → OAK, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

By month

Each calendar month pooled over 2023–2026. Best: April (86%). Worst: July (61%).

40%70%100%Jan: 76% on time (102 flights)76JanFeb: too few flights (85 flights)FebMar: 83% on time (110 flights)83MarApr: 86% on time (102 flights)86AprMay: 74% on time (103 flights)74MayJun: 65% on time (113 flights)65JunJul: 61% on time (120 flights)61JulAug: too few flights (96 flights)AugSep: too few flights (94 flights)SepOct: 85% on time (137 flights)85OctNov: 80% on time (124 flights)80NovDec: 82% on time (129 flights)82Dec

By day of week

DayFlightsOn timeCancelled
Monday53——
Tuesday52——
Wednesday52——
Thursday52——
Friday52——
Saturday57——
Sunday57——

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Late inbound plane 47%Airline (crew, maintenance, ops) 43%Air traffic & airport (NAS) 8%Severe weather 2%

Cancellations: airline 1 · air traffic/airport 1

Month by month

Not enough months with data to draw a trend.

Nearby airport alternatives

Other ways to make the same trip, using airports within 60 miles of Houston or Oakland. None has been clearly more reliable than HOU → OAK.

RouteFlightsOn timeCancelled
HOU → OAK (this route)37578%0.5%
IAH → SFO Houston Bush Intercontinental to San Francisco3,57878%0.4%

Questions

How often are flights from HOU to OAK on time?

78% of 375 scheduled flights from Houston, TX to Oakland, CA arrived within 15 minutes of schedule between September 2025 and August 2026. 0.5% were cancelled.

What month has the most delays from HOU to OAK?

July (61% on time). The best month is April (86%), over 2023–2026.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.