| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 18 | CCU | DEL | 22:00 | 00:35 |
Scheduled
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| Aug 17 | CCU | DEL | 22:41 | 00:31 |
Landed
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| Aug 16 | CCU | DEL | 22:26 | 00:13 |
Landed
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| Aug 15 | CCU | DEL | 22:12 | 00:00 |
Landed
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| Aug 14 | CCU | DEL | 22:14 | 00:00 |
Landed
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| Aug 13 | CCU | DEL | 22:47 | 00:34 |
Landed
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| Aug 12 | CCU | DEL | 22:20 | 00:06 |
Landed
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| Aug 11 | CCU | DEL | 22:44 | 00:37 |
Landed
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| Aug 10 | CCU | DEL | 22:42 | 00:31 |
Landed
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| Aug 09 | CCU | DEL | 22:14 | 00:08 |
Landed
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SriLankan Airlines Flight UL3644 connects Kolkata, India to Delhi, India, taking off from Kolkata International Airport CCU and landing at Delhi Indira Gandhi International Airport DEL.
How long is the UL3644 flight from Kolkata to Delhi?
The average flight time from Kolkata to Delhi is 1 hour and 48 minutes. The flight distance is 1313 km / 816 miles and the average flight speed is 702 km/h / 436 mph.
How many UL3644 flights are operated per week?
7 flights per week. The flight UL3644 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of SriLankan Airlines Flight UL3644 Kolkata to Delhi?
The Airportia On-Time Performance Rating for SriLankan Airlines Flight UL3644 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UL3644 arriving at?
Flight UL3644 arrives at Delhi Indira Gandhi International Airport (DEL) Terminal 3.
When was the latest UL3644 flight?
The latest flight took off on Tuesday, August 18th, 2026 with the flight status being Scheduled on 00:35.
How else can the flight UL3644 be referenced as?
This SriLankan Airlines flight can also be referenced as ALK3644, UL 3644, ALK 3644.
How often is flight UL3644 delayed?
On average, 10% of all UL3644 flights are delayed. The average delay is 2 minutes.
See our UL3644 Flight Tracker above for more details.
Other flights departing from Kolkata CCU: AI2710, 6E573, IX1382, BZ201
Other flights arriving at Delhi DEL: AI2710, 6E951, 6E6480, AI480
All flights connecting Kolkata CCU to Delhi DEL.