| Loss Making Indian Airlines Services (During 2000-2001) | |
| Sector | Service No. |
| Domestic | |
| Chennai-Bangalore-Coimbatore | |
| Chennai-Trivandrum | |
| Mumbai-Indore-Bhopal-Gwalior-Delhi | |
| Bangalore-Goa-Pune-Bangalore | |
| Kolkata-Guwahati | |
| Delhi-Lucknow-Patna-Kolkata | |
| Mumbai-Jamnagar-Bhuj-Mumbai | |
| Mumbai-Vadodara | |
| Chennai-Bangalore | |
| Mumbai-Ahmedabad | |
| Chennai-Tirupathy-Hyderabad | |
| Mumbai-Bhavnagar | |
| Mumbai-Mangalore | |
| Chennai-Bangalore-Mangalore | |
| Delhi-Jaipur-Udaipur-Mumbai | |
| Chennai-Calicut | |
| Kolkata-Silchar-Imphal | |
| Mumbai-Rajkot | |
| Kolkata-Agartala | |
| Leh-Jammu | |
| Mumbai-Udaipur-Jaipur | |
| Kolkata-Aizwal-Imphal | |
| Kolkata-Tezpur-Dimapur-Kolkata | |
| Delhi-Chandigarh-Amritsar | |
| Chennai-Nagpur-Bhopal | |
| Delhi-Guwahati | |
| Mumbai-Pune | |
| Delhi-Leh | |
| Kolkata-Agartala | |
| Kolkata-Jorhat-Dimapur-Kolkata | |
| Guwahati-Agartala | |
| Delhi-Indore-Bhopal | |
| Delhi-Guwahati | |
| Delhi-Chandigarh-Amritsar-Delhi | |
| Mumbai-Udaipur-Jodhpur | |
| Kolkata-Agartala | |
| Leh-Srinagar | |
| Kolkata-Dibrugarh | |
| Leh-Chandigarh | |
| Kolkata-Agartala | |
| Mumbai-Cochin | |
| Kolkata-Silchar | |
| Kolkata-Imphal | |
| Delhi-Jaipur-Jodhpur | |
| Guwahati-Agartala | |
| Ahmedabad-Bhuj | |
| Delhi-Lucknow-Patna | |
| Chennai-Kolkata | |
| Delhi-Bagdora-Guwahati-Delhi | |
| Ahmedabad-Mumbai | |
| Kolkata-Bhubaneshwar | |
| International | |
| Kolkata-Kathmandu | |
| Varanasi-Kathmandu | |
