Container Shipping
Carrier alliances, vessel sharing, and capacity dynamics on major trade lanes.
Overview
Container shipping is the backbone of global trade — and in 2026, it's been reshaped by carrier alliance restructuring, tariff-driven frontloading, and capacity shifts between trade lanes. The three major alliances (Ocean Alliance, 2M ending, THE Alliance restructuring into Premier Alliance) control roughly 80% of global container capacity, and how they deploy vessels, blank sailings, and allocate space determines whether your cargo actually gets on the water when booked. The operational truth for shippers: alliance schedules and vessel-sharing agreements mean the carrier on your B/L may not be the operator of the vessel, and a blank sailing announced by one alliance member typically means all alliance partners on that loop cancel the same week — so having a backup carrier doesn't always help if they're in the same alliance.
Timeline
| Milestone | Window | Why it matters |
|---|---|---|
| Carrier booking window | 2-4 weeks before ETD | Standard booking lead time on transpacific lanes; shorter windows risk rollover during peak season when space tightens |
| Equipment pickup & CY cutoff | 2-5 days before sailing | Empty container pickup window opens ~7 days pre-ETD; VGM/CY cutoff typically 24-48 hours before sailing — miss either and the booking rolls to next vessel |
| Vessel departure & transit | 11-35 days depending on service | Matson CLX/MAX ~11 days; standard alliance services 22-35 days Shanghai→LA; add 5-10 days for East Coast destinations through Panama |
| Arrival & discharge | 1-3 days at terminal | Congestion-free discharge takes 1-2 days; port congestion can stretch this to 5+ days before the container is available for pickup |
| Last free day (LFD) deadline | Per terminal free-time calendar | Free time starts from container availability, not vessel arrival — a discharge delay eats into free time before you can even pick up |
Latest News
- Jun 25, 2026Congestion
LA/Long Beach Vessel Congestion Hits Near-Zero Despite Record May Volumes
LA median vessel wait time at 0.08 days, Long Beach truck turn times averaging 55 minutes — vessel-side metrics are favorable even as May TEU hit 840,165 (+17% YoY).
- Jun 19, 2026Disruption
Strait of Hormuz Risk Traps Container Capacity, Rerouting via Cape of Good Hope
Geopolitical risk in the Strait of Hormuz is trapping container capacity and forcing rerouting via the Cape of Good Hope, adding 10-14 days to affected services.
- Jun 4, 2026Equipment
Empty Container Return Backlog Builds at Oakland
Empty container returns backing up at Oakland — equipment availability tightening for exporters as import-driven repositioning imbalances continue.
Featured Guides
Ocean Alliance (CMA CGM, COSCO, Evergreen)
Largest alliance by deployed capacity on the transpacific; typically the most stable schedule but blank sailings still happen during demand troughs or when frontloading subsides
Premier Alliance (ONE, HMM, Yang Ming)
Successor to THE Alliance after restructuring in 2025-2026; smaller transpacific footprint than Ocean Alliance, route coverage more concentrated on specific port pairs
MSC/Maersk (post-2M)
2M alliance formally ended in 2025; MSC and Maersk now operate independent networks with some slot-exchange agreements — the two largest carriers by capacity, each larger than some entire alliances
Spot vs. contract rates
Spot rates react to frontloading surges and tariff news within days; contract rates reset quarterly or semi-annually. In 2026's volatile tariff environment, a mix of contract base + spot top-ups is more common than an all-contract or all-spot approach.
Prep Checklist
- ✓Know which alliance your booked carrier belongs to — if that alliance announces blank sailings on your lane, your booking is at risk regardless of which member carrier is on the B/L
- ✓When booking during tariff frontloading windows, build in a buffer sailing (book 2-3 weeks earlier than the absolute deadline) rather than targeting the last sailing before a tariff decision
- ✓Check current alliance schedules and blank sailing announcements on your lane before finalizing a booking — schedule reliability data is published weekly
- ✓Compare total transit time (including known blank sailing risk and port congestion buffer) across alliance options, not just published transit times
- ✓Monitor ANKPOST Pulse and port congestion data to time shipments around known congestion windows rather than booking into peak dwell periods
Related Wiki
Vessel Rollovers and Blank Sailings: What They Mean for Your Cargo
What vessel rollovers and blank sailings are, how they delay West Coast arrivals, and how booking priority affects rollover risk.
Ocean Carrier Alliances Explained: 2M, Ocean Alliance, and THE Alliance
How major ocean carrier alliances structure capacity-sharing, what it means for service reliability, and how alliance changes affect shippers.
FCL vs LCL Shipping: Which Should You Choose?
A cost and timing comparison of Full Container Load and Less than Container Load shipping for importers.
Transit Time vs Free Time: Two Clocks Shippers Often Confuse
The difference between ocean transit time and terminal free time, how each is calculated, and why confusing them leads to unexpected fees.
Vessel Sharing Agreements Explained: How Carriers Share Capacity
How vessel sharing agreements between ocean carriers work, what they mean for booking and tracking, and the cost dynamics involved.
Related Tools
FAQ
It depends on your specific port pair, schedule priority, and rate tolerance. Ocean Alliance has the largest deployed capacity on the lane and generally the most stable schedule. MSC and Maersk (post-2M) each have enormous independent capacity but run their own networks. The key is knowing which alliance your carrier is in — if the alliance blanks a sailing, all member carriers cancel together.