The tarmac at Netaji Subhash Chandra Bose International Airport in Kolkata is quietest in the deep stretch of the night. If you stand near the glass panes of the departure terminal, you can hear the low, rhythmic hum of long-haul engines idling on the concrete. For years, this specific hum carried a different kind of electricity. It was the sound of a world shrinking. Passengers rushed toward gates with boarding passes stamped for Kunming, Guangzhou, or Chengdu. A flight of just a few hours. A quick leap over the Himalayas.
Now, look at the departures board. Those direct paths have vanished from the screens, replaced by winding, fractured itineraries that turn a brief hop into a grueling, day-long odyssey.
When Qin Yanhai, the Deputy Consul General of China in Kolkata, spoke recently about the historical abundance of direct flight routes between India and China, he wasn't just reciting aviation data. He was pointing to a severed artery. To understand why this matters, you have to look past the bilateral communiqués and the dry geopolitical analysis. You have to look at the suitcases sitting unpacked in living rooms, the empty seats in corporate boardrooms, and the families waiting on opposite sides of a border that feels wider today than it has in decades.
The Long Way Around
Consider a hypothetical traveler named Priya. She is a supply chain manager based in Kolkata, tasked with auditing a manufacturing facility in Guangzhou. A few years ago, her journey would have been simple. She would have boarded a direct flight, watched a movie, drank a cup of tea, and stepped off the plane in China before her joints had even time to stiffen.
Today, Priya’s journey is a test of endurance.
Because direct commercial flights between the two nuclear-armed neighbors remain suspended, her itinerary reads like a geography lesson. She must fly south to Bangkok, or perhaps east to Hanoi or Singapore, sit through a four-hour layover in a crowded transit lounge, and then board a second aircraft to head back up north. A journey that physically spans roughly 1,500 miles turns into a 4,000-mile detour.
The human toll of this detour is measured in exhaustion. The economic toll is measured in thousands of dollars of wasted capital, burned jet fuel, and lost time. When we multiply Priya by the tens of thousands of engineers, researchers, students, and merchants who rely on this corridor, the scale of the stagnation becomes clear. We have built a world of instant global communication, yet traveling between the world’s two most populous nations currently feels like stepping back into the mid-twentieth century.
The Ghost of Connectivity Past
It was not always this way. There was a time, not long ago, when the skies were open.
Before the global pandemic and the subsequent chilling of border relations in 2020, multiple carriers operated regular, direct schedules. IndiGo, Air India, China Southern, and China Eastern connected major hubs like Delhi, Mumbai, Kolkata, Beijing, and Shanghai. These flights were the physical scaffolding of a massive economic interdependence. They carried the raw materials for pharmaceuticals, the components for electronics, and the researchers who shared vital scientific data.
Qin Yanhai’s remarks in Kolkata served as a stark reminder of that lost equilibrium. The infrastructure is there. The runways are long enough. The planes are parked in their hangars. The air traffic control systems still speak the same language. What is missing is the political ink required to sign the permits.
Airspace is an invisible map drawn by politicians, not geographers. When those lines are erased, the impact ripples through communities that most people never think about. Take the traditional Chinese community in Kolkata’s Tiretta Bazar and Tangra neighborhoods. For generations, these families have formed a unique cultural bridge, blending Indian traditions with Chinese heritage. The absence of direct flights does more than complicate business transactions; it frays the delicate fabric of diaspora communities, making it harder for grandparents to visit newborns, and for young people to explore their ancestral roots.
The Friction in the Machine
We often talk about globalization as an unstoppable force, a liquid that fills every crack. But the suspension of these flight routes proves that globalization can be turned off with the flick of a pen.
When a direct route is canceled, the cost of doing business does not rise incrementally; it skyrockets. Small and medium enterprises, which operate on razor-thin margins, are squeezed out first. A textiles trader in Dhaka or Kolkata who used to fly to Yiwu to inspect fabric samples four times a year now can only afford to go once. Decisions are delayed. Trust, which requires face-to-face interaction to grow, begins to erode.
Instead, we are left with a system of artificial friction.
Imagine trying to run a marathon while wearing heavy, wet wool. That is what the current travel apparatus feels like for anyone trying to navigate the India-China corridor. The logistical friction trickles down to the consumer. The smartphone in your hand, the generic medication in your cabinet, the solar panels on your roof—all of these items rely on a highly calibrated dance of personnel moving between these two territories. When engineers cannot easily trouble-shoot a production line in person, deadlines slip. When deadlines slip, prices rise.
The Shared Horizon
The conversation around restoring these routes is often framed as a series of concessions, a game of geopolitical chicken where neither side wants to blink first. But this perspective gets the math entirely backward. Reopening the skies is not a favor that one nation grants to another. It is a pragmatic acknowledgment of shared necessity.
Geography is destiny. India and China are bound together by thousands of miles of shared frontier and millennia of shared history. They cannot move away from each other. The economic gravity pulling them together is immense, driven by markets that comprise more than a third of the human population. Trying to prevent travel between them is like trying to hold back the tide with an umbrella.
The current policy of isolation creates an artificial silence in the skies. It is a silence filled with missed opportunities, canceled conferences, and estranged families. While third-party transit hubs in Southeast Asia and the Middle East reap the financial rewards of processing millions of detoured passengers, the actual stakeholders—the citizens of India and China—pay the price.
The night is deep now at the Kolkata airport. Somewhere out there in the dark, an airliner is cruising at 35,000 feet, carrying passengers from Delhi to Bangkok, where they will wait for hours before catching a flight to Kunming. They will look out the window at the black expanse of the Himalayan mountain range passing beneath them, knowing that their destination was just on the other side of that ridge, so close yet entirely unreachable.
