Patna to Kolkata (PAT-CCU): nonstop upgrade & award space

IndiGo flies nonstop between Patna (PAT) and Kolkata (CCU), roughly 14 times a week. With IndiGo operating this route so often, premium seats still turn over daily, and upgrade or award space can open and close within hours. 2LNR tracks confirmed availability on every PAT to CCU departure, so you know which flights have space before you book.

Data current as of , refreshed on an ongoing basis as new schedules and seats are confirmed.

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14
Nonstop flights a week
293 mi
Nonstop distance
Free
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Patna to Kolkata flight schedule

Scheduled nonstop departures for PAT to CCU, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Patna (PAT) to Kolkata (CCU)
Date Flight Airline Departs PAT Arrives CCU Duration Aircraft
6E 663IndiGo12:4013:451h 5m32N
6E 342IndiGo19:4521:051h 20m32N
6E 663IndiGo12:4013:451h 5m32N
6E 342IndiGo19:4521:051h 20m32N
6E 663IndiGo12:4013:451h 5m32N
6E 342IndiGo19:4521:051h 20m32N
6E 663IndiGo12:4013:451h 5m32N
6E 663IndiGo12:4013:451h 5m32N
6E 342IndiGo19:4521:051h 20m32N
6E 663IndiGo12:4013:451h 5m32N
6E 342IndiGo19:4521:051h 20m32N
6E 663IndiGo12:4013:451h 5m32N
6E 342IndiGo19:4521:051h 20m32N

Showing all 13 scheduled PAT to CCU departures across the next 7 days with service. Later dates are on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every PAT to CCU date on the interactive map

Confirmed upgrade & award space on every PAT to CCU departure

2LNR tracks confirmed upgrade and award availability on American, Delta, and Alaska and across more than 25 airlines, segment by segment, date by date. Open the calendar for Patna to Kolkata to see which departures have real space, or watch the route and get alerted when space opens.

See real availability

Confirmed upgrade and award seats on each PAT to CCU departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See PAT to CCU on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Patna to Kolkata nonstop

Carriers operating PAT to CCU nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

See PAT to CCU on the interactive map →

Frequently asked questions about PAT to CCU

How far is Kolkata from Patna?
PAT to CCU covers about 293 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from PAT to CCU?
IndiGo is currently the only airline flying PAT to CCU nonstop. 2LNR tracks confirmed upgrade and award space on every IndiGo departure.
How many flights a week are there from PAT to CCU?
About 14 nonstop flights a week run between Patna and Kolkata in the current schedule, operated by IndiGo. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from PAT to CCU depart?
Scheduled PAT to CCU nonstops in the next 7 days with service leave between 12:40 and 19:45, local time at Patna. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
How do I check upgrade or award availability on PAT to CCU?
Open the PAT to CCU route on the interactive map to see confirmed upgrade and award space by date. You can also set an alert on the Patna to Kolkata route, and 2LNR will notify you when space opens. It's free to start.

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