The Kathmandu to New Delhi route connects Tribhuvan International Airport (KTM) in NP with Indira Gandhi International Airport (DEL) in IN. This short-haul flight covers approximately 507 miles (816 km) with a typical flight time of 1h 23m. This route is served by 4 airlines: Air India, IndiGO, Bhutan Airlines and others. AirportRoutes has tracked 14 unique flight numbers on this route.
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Tribhuvan International Airport
VNKTKTMIndira Gandhi International Airport
VIDPDEL4
Operators14
Tracked Flights507
Miles1h 23m
Flight Duration| Airline | ICAO | IATA |
|---|---|---|
| Air India |
AIC
|
AI
|
| IndiGO |
IGO
|
6E
|
| Bhutan Airlines |
BTN
|
B3
|
| Nepal Airlines |
RNA
|
RA
|
| Day | Flights Observed | Frequency | Activity |
|---|---|---|---|
| Monday | 10 | 14% |
|
| Tuesday | 4 | 5% |
|
| Wednesday | 16 | 22% |
|
| Thursday | 12 | 16% |
|
| Friday | 18 | 25% |
|
| Saturday | 7 | 10% |
|
| Sunday | 6 | 8% |
|
Pattern Analysis
| Airline | Flight Numbers | Aircraft Type | Typical Time | Days Active | Last Seen | Status |
|---|---|---|---|---|---|---|
|
Air India
AIC
/ AI
|
|
A320 | 10:05 10:05 AM (Representative) |
M
T
W
T
F
S
S
|
May 30, 2026 | Active |
|
Bhutan Airlines
BTN
/ B3
|
A319 | 09:40 9:40 AM (Representative) |
M
T
W
T
F
S
S
|
May 27, 2026 | Active | |
|
IndiGO
IGO
/ 6E
|
A320 | 20:50 8:50 PM (Representative) |
M
T
W
T
F
S
S
|
May 29, 2026 | Active | |
|
Nepal Airlines
RNA
/ RA
|
A320 | 08:10 8:10 AM (Representative) |
M
T
W
T
F
S
S
|
May 29, 2026 | Active |
| Departure Time | Operator | ICAO | IATA |
|---|---|---|---|
| 08:10 8:10 AM | Nepal Airlines |
RNA
|
RA
|
| 09:40 9:40 AM | Bhutan Airlines |
BTN
|
B3
|
| 10:05 10:05 AM | Air India |
AIC
|
AI
|
| 20:50 8:50 PM | IndiGO |
IGO
|
6E
|
Time Information
Times are shown in the departure airport's local timezone (VNKT - Asia/Kathmandu).