DIFC has helped position Dubai as the top city in the Middle East, Africa and South Asia region
The southern runway will be closed from April 16 to May 30, 2019, for resurfacing and replacement of ground lighting and other infrastructure.
Dubai International (DXB), which handled 88.2 million passengers in 2017, is the base for airlines Emirates and flydubai, and an engine for Dubai's economy.
"Emirates can confirm that it will be required to reduce its operating schedule by approximately 28 per cent during this time," said an airline spokeswoman in a statement.
Emirates will cancel some flights, reduce the number of flights to certain destinations and reschedule others during the upgrade work, said the spokeswoman.
Emirates, which carried 58.5 million passengers in the last financial year, is one of the world's biggest airlines.
Flydubai said on Thursday it would move some flights to Dubai's second airport, Al Maktoum International (DWC), during the temporary closure of the southern runway.
Here's the list of destinations for which flights will be diverted: Addis Ababa (ADD), Abha (AHB), Ahmedabad (AMD), Mumbai (BOM), Colombo (CMB), Cochin (COK), Delhi (DEL), Gassim (ELQ), Gizan (GIZ), Ha'il (HAS), Hyderabad (HYD), Isfahan (IFN), Karachi (KHI), Lucknow (LKO), Lar (LRR), Faisalabad (LYP), Chennai (MAA), Medinah (MED), Mashhad (MHD), Multan (MUX), Najaf (NJF), Riyadh (RUH), Istanbul (SAW), Sialkot (SKT), Shiraz (SYZ), Ta'if (TIF), Thiruvananthapuram (TRV), and Tabuk (TUU).
Flights to the following destinations will operate out of both DXB and DWC: Amman (AMM), Bahrain (BAH), Beirut (BEY), Dammam (DMM), Alexandria (HBE), Jeddah (JED), Kabul (KBL), Khartoum (KRT), Kuwait (KWI), and Muscat (MCT).
Dubai International operated with one runway for 80 days in 2014 because of upgrade and repair work on both its runways.
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