Shanghai Pudong International Airport recorded 644 delayed flights and 58 cancellations today, according to aggregated flight-tracking data, creating one of the most disrupted days of the season for passengers across China, Japan and South Korea.

Get the latest news straight to your inbox!

Shanghai Pudong Hit by 644 Flight Delays and 58 Cancellations

Heavy Disruption at One of Asia’s Busiest Hubs

Publicly available operational data for May 24 indicate that Shanghai Pudong, a primary gateway for both domestic and international traffic, has seen a significant portion of its scheduled services disrupted. The imbalance between planned departures and actual movements has translated into crowded terminals, extended waiting times at gates and frequent last-minute schedule changes throughout the day.

Figures compiled from real-time flight boards and tracking platforms show that the 644 delays cover both departures and arrivals across peak morning and evening banks. While Shanghai’s aviation system has experienced several waves of irregular operations in recent months, today’s tally places Pudong among the most heavily affected airports in the region for this period.

The knock-on effects have been felt beyond Shanghai, as disrupted rotations at Pudong limit aircraft and crew availability for subsequent legs. This has contributed to secondary delays on domestic corridors to major Chinese hubs, as well as on regional routes linking Shanghai with cities in Japan and South Korea.

Travel-focused coverage notes that today’s problems come on top of earlier episodes of congestion at major Chinese airports this spring, suggesting that the network remains sensitive to any combination of weather, airspace constraints or operational bottlenecks that disturb tightly timed flight banks.

Major Chinese Carriers Bear the Brunt

The disruption has landed most heavily on Shanghai’s dominant carriers, with China Eastern Airlines and its subsidiary Shanghai Airlines, along with China Southern Airlines, Spring Airlines and Juneyao Air, all registering substantial schedule changes. These airlines collectively operate a high share of both domestic connections and short-haul international routes feeding through Pudong, leaving them particularly exposed when the hub becomes congested.

According to aviation data services, a wide mix of flight types have been affected, from high-frequency shuttles on the Beijing Shanghai trunk route to longer domestic legs connecting interior cities with the east coast. Some flights have departed after extended holds at the gate or on the apron, while others have been cancelled outright as operators reshuffle fleets and crews to stabilize later rotations.

China Eastern and Shanghai Airlines, which use Pudong as a central long-haul and regional hub, have seen disrupted operations ripple through their wider networks. For passengers, that has translated into missed connections, forced rebookings and, in some cases, overnight stays as onward sectors could not be accommodated on the same day.

Low-cost and hybrid carriers such as Spring Airlines and Juneyao Air, which rely on fast aircraft turnarounds and dense scheduling to maintain efficiency, have also been strained by the day’s irregular operations. When early flights run late, subsequent departures are quickly pushed back, compounding delays into the afternoon and evening peaks.

Travelers Across China, Japan and South Korea Affected

Shanghai Pudong functions as a key bridge between mainland China and nearby markets including Japan and South Korea, with numerous daily departures linking Shanghai to Tokyo, Osaka, Fukuoka, Seoul, Busan and other cities. Today’s disruption has therefore extended beyond Chinese domestic passengers to international travelers using Pudong as either an origin, destination or transfer point.

Passengers on routes between Shanghai and Japanese cities have experienced rolling gate changes and revised departure times, particularly on services operated by Chinese carriers feeding leisure and business traffic into Kansai-area and Kyushu airports. Similarly, flights between Pudong and South Korean gateways have faced schedule pressure as aircraft arriving late from domestic sectors attempt to turn around for outbound international legs.

These regional routes are especially sensitive to irregular operations because many operate on tightly planned daily or near-daily patterns. When a single rotation is delayed or cancelled, there is limited slack in the system to position spare aircraft or crews, increasing the likelihood of longer waits or rebookings onto later dates.

Reports also highlight that some travelers connecting through Shanghai between East Asia and other parts of China have had to adjust itineraries at short notice. This includes those using Pudong as a link between Japan or South Korea and popular Chinese destinations such as Chengdu, Xi’an, Kunming and coastal resort cities.

Systemic Pressures on China’s Aviation Network

Today’s figures add to a pattern of strain visible across China’s aviation network since the start of the year. Industry analysis points to a mix of factors, including strong travel demand, evolving fuel and cost conditions, and ongoing adjustments to aircraft deployment following earlier reductions and route reshuffles. These pressures have left little margin for error at major hubs such as Shanghai Pudong.

Recent coverage of flight performance in China indicates that once irregular operations take hold at a key node, the resulting imbalance in aircraft locations and crew duty times can take more than a full day to unwind. That dynamic appears to be at work in Shanghai today, with early disruptions in the schedule cascading into later banks and complicating recovery efforts.

Shanghai’s dual-airport system, combining Pudong with the more centrally located Hongqiao, has helped distribute some of the traffic load. However, Pudong’s role as the primary international and long-haul gateway means that problems there have an outsized impact on cross-border travel and on domestic flights timed to connect with overseas arrivals and departures.

Analysts note that airlines serving China have been gradually rebuilding international capacity to and from Shanghai, particularly on regional Asian routes. This expansion, while welcomed by travelers, can also increase congestion risk when combined with high domestic frequencies and constrained airspace or ground resources.

What Passengers Can Expect in the Coming Hours

With delays and cancellations still being processed in airline systems, publicly available forecasts suggest that it may take the remainder of the day and potentially part of tomorrow’s morning bank for operations at Shanghai Pudong to normalize. Some aircraft and crew rotations disrupted today will only realign once overnight positioning flights or early-morning departures operate as planned.

Travel advisories issued through airline channels and airport information platforms emphasize the importance of monitoring flight status closely on affected routes. Passengers are being encouraged, where possible, to make use of mobile apps and automated notifications to track gate assignments, departure times and any rebooking options.

For those yet to depart for the airport, consumer-facing guidance often recommends allowing additional time for check in, security and potential queueing at customer service counters. Travelers with tight onward connections in Shanghai, particularly those linking between domestic and international terminals, may face added risk of missed flights if further delays accumulate.

Today’s disruption at Shanghai Pudong underscores how quickly conditions can shift at major hubs when underlying capacity is stretched. As China’s aviation market continues to scale up, observers suggest that periods of smooth operations are likely to be punctuated by days of intense stress such as this, especially during holiday peaks, adverse weather events or other system shocks.