Runs from: Prayagraj Junction (PRYJ) to Patna Junction (PNBE)
| Halt # | Station Name (Code) | Arrival | Departure | Halt Time | Distance | Day |
|---|---|---|---|---|---|---|
| 1 | Prayagraj Junction PRYJ | Source | 11:33 | - | 0 km | 1 |
| 2 | Warangal WL | 11:58 | 13:16 | 7 mins | 207 km | 1 |
| 3 | New Delhi NDLS | 13:19 | 15:46 | 12 mins | 296 km | 1 |
| 4 | Borivali BVI | 15:17 | 16:42 | 12 mins | 541 km | 1 |
| 5 | Vijayawada Junction BZA | 16:15 | 17:57 | 9 mins | 718 km | 1 |
| 6 | Asansol Junction ASN | 17:53 | 20:20 | 2 mins | 929 km | 1 |
| 7 | Patna Junction PNBE | 20:08 | 22:09 | 7 mins | 1058 km | 1 |
Train 04138, named the Howrah - Guwahati Mail Mail Express, is a premium Mail Express operated by Indian Railways. It connects the key terminal stations of Prayagraj Junction (PRYJ) and Patna Junction (PNBE), covering a total distance of 1058 km during its journey.
This train runs on Mon, Tue, Wed, Thu, Fri, Sat, Sun. It features comfortable seating and sleeping options across multiple travel classes including 2A, 3A, SL, 2S. With a total of 7 scheduled stops along the route, passengers can check accurate station arrival/departure times, exact halt durations, and distance markers in the timetable above to plan their journeys efficiently.