- Calcutta (CCU)Bangkok (BKK)- non-stop flights:
- 5–8 per day
- flight duration:
- at least
 - Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
 from $208- number of non-stop flights per airline and day of the week - Sun - Mon - Tue - Wed - Thu - Fri - Sat  - 1–2 - 2–3 - 1–2 - 1–2 - 1–2 - 1–2 - 1–2  - 1–2 - 1 - 1–2 - 1 - 1 - 1–2 - 1–2  - 1 - 1 - 1 - 1 - 1 - 1 - 1  - 1 - 1 - 1 - 1 - 1 - 1 - 1  - 1 - 1 - 1 - 1 - 1 - 1 - 1  - 1 - 1 - 0 - 1 - 0 - 1 - 0 
- Calcutta (CCU)Delhi (DEL)- non-stop flights:
- 28–52 per day
- flight duration:
- at least
 - Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
 from $115- number of non-stop flights per airline and day of the week - Sun - Mon - Tue - Wed - Thu - Fri - Sat  - 12–26 - 12–27 - 12–26 - 12–26 - 12–26 - 11–25 - 12–25  - 12–15 - 12–15 - 12–15 - 12–15 - 12–15 - 12–15 - 12–15  - 3–5 - 2–5 - 3–5 - 4–5 - 2–5 - 2–5 - 3–5  - 2–4 - 2–4 - 2–4 - 2–4 - 2–4 - 2–4 - 2–4  - 1 - 1 - 1 - 1 - 1 - 1 - 1