Calcutta to Delhi is 816 miles (1,313 km), a flight of about 2 hours 10 minutes.
The right side wins due to city views during takeoff at Kolkata, glimpses of the Yamuna and Delhi's skyline on approach, and the possibility of spotting distant Himalayan foothills during cruise on clear days—features entirely absent from the flat, featureless left side over the Gangetic plain.
Flight Path
The flight crosses the flat Gangetic plain over Bihar and Uttar Pradesh, passing near Patna and Varanasi, with the Ganges River visible intermittently below; on exceptionally clear days, the snow-capped Himalayan range can be seen as a distant line to the north.
Great circle distance and headings ›Phase by phase

Takeoff from CCU
RIGHTDeparting CCU, the right side gives a brief view of Kolkata's urban sprawl and the Hooghly River as the aircraft climbs out over the delta region before turning west. The left side mostly shows flat agricultural land with no distinguishing features.

Landing at DEL
RIGHTOn approach to DEL from the east, the right side offers a chance to see the Yamuna River and Delhi's urban core including landmarks near the airport, while on very clear days the distant Himalayan foothills are visible to the north. The left side during descent shows only flat Haryana farmland.
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About This Route
Which side of the plane should I sit on flying from Netaji Subhash Chandra Bose International (CCU) to Indira Gandhi International (DEL)?
Sit on the Right side of the plane for the best views on flights from Calcutta to Delhi. The right side wins due to city views during takeoff at Kolkata, glimpses of the Yamuna and Delhi's skyline on approach, and the possibility of spotting distant Himalayan foothills during cruise on clear days—features entirely absent from the flat, featureless left side over the Gangetic plain.
What can I see during takeoff from Netaji Subhash Chandra Bose International in Calcutta?
During takeoff from Netaji Subhash Chandra Bose International (CCU), sit on the Right side for the best views. Departing CCU, the right side gives a brief view of Kolkata's urban sprawl and the Hooghly River as the aircraft climbs out over the delta region before turning west. The left side mostly shows flat agricultural land with no distinguishing features. Notable sights include: Hooghly River, Kolkata city sprawl, Sundarbans delta fringes.
What can I see when landing at Indira Gandhi International in Delhi?
When landing at Indira Gandhi International (DEL), sit on the Right side for the best views. On approach to DEL from the east, the right side offers a chance to see the Yamuna River and Delhi's urban core including landmarks near the airport, while on very clear days the distant Himalayan foothills are visible to the north. The left side during descent shows only flat Haryana farmland. Notable sights include: Yamuna River, Delhi urban skyline, distant Himalayan foothills (clear days).
How long is the flight from Calcutta to Delhi?
The flight from Netaji Subhash Chandra Bose International (CCU) to Indira Gandhi International (DEL) takes about 2 hours 10 minutes. The shortest flight path between them is 816 miles (1,313 km); winds and air traffic control usually add a few percent.
What does the Calcutta to Delhi flight path pass over?
The flight crosses the flat Gangetic plain over Bihar and Uttar Pradesh, passing near Patna and Varanasi, with the Ganges River visible intermittently below; on exceptionally clear days, the snow-capped Himalayan range can be seen as a distant line to the north.