--- title: "Bucharest to Santander flights: who flies OTP-SDR" description: "Aero Services Executive flies nonstop from OTP to SDR, about 5 flights a week as W4 3193, scheduled at 3h 50m to 3h 55m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/otp-sdr" url: "https://2lnr.com/routes/otp-sdr.md" date_modified: "2026-10-18T05:10:47Z" --- # Bucharest to Santander (OTP-SDR): nonstop flights and who flies them Aero Services Executive flies the OTP to SDR nonstop about 5 times a week. In the timetable below it flies as W4 3193, scheduled at 3h 50m to 3h 55m for the 1,480 miles. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 23, 2026. See OTP to SDR on the interactive map [Get started free](https://2lnr.com/login) 5 Flights a week, 4-week average 3h 50m to 3h 55m Scheduled flight time 1,480 mi Nonstop distance Free To get started ## Bucharest to Santander flight schedule Scheduled nonstop departures for OTP to SDR starting October 22, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book. Scheduled nonstop departures from Bucharest (OTP) to Santander (SDR) | Date | Flight | Airline | Departs OTP | Arrives SDR | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Fri, Oct 23 | W4 3193 | Aero Services Executive | 06:10 | 09:00 | 3h 50m | [Airbus A321neo family](https://2lnr.com/seatmaps/w4/a321neo.md) | | Mon, Oct 26 | W4 3193 | Aero Services Executive | 06:10 | 09:00 | 3h 50m | Airbus A321neo family | | Tue, Oct 27 | W4 3193 | Aero Services Executive | 15:00 | 17:55 | 3h 55m | [Airbus A321](https://2lnr.com/seatmaps/w4/a321.md) | | Wed, Oct 28 | W4 3193 | Aero Services Executive | 15:10 | 18:00 | 3h 50m | Airbus A321neo family | | Fri, Oct 30 | W4 3193 | Aero Services Executive | 06:10 | 09:00 | 3h 50m | Airbus A321neo family | | Sat, Oct 31 | W4 3193 | Aero Services Executive | 15:00 | 17:55 | 3h 55m | Airbus A321 | | Mon, Nov 2 | W4 3193 | Aero Services Executive | 06:10 | 09:00 | 3h 50m | Airbus A321neo family | Showing all 7 scheduled OTP to SDR departures across 7 days with service, starting October 22, 2026. 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 hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure. See every OTP to SDR date on the interactive map ## Aircraft on the Bucharest to Santander nonstop Aero Services Executive flies the departures in the schedule table on this page with the [Airbus A321neo family](https://2lnr.com/seatmaps/w4/a321neo.md) and the [Airbus A321](https://2lnr.com/seatmaps/w4/a321.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## The full OTP to SDR nonstop schedule This page carries the full OTP to SDR nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below. ### See the schedule Who operates each OTP to SDR nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See OTP to SDR on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Bucharest to Santander nonstop Carriers operating OTP to SDR nonstop in the current schedule. - [Aero Services Executive (W4) route map](https://2lnr.com/routes/airlines/w4.md)\ [The aircraft W4 flies](https://2lnr.com/seatmaps/w4.md) See OTP to SDR on the interactive map → ## Frequently asked questions about OTP to SDR **How long is the flight from Bucharest (OTP) to Santander (SDR)?** Scheduled flight times from Bucharest (OTP) to Santander (SDR) run from 3h 50m to 3h 55m across the departures in the schedule table on this page. The nonstop covers about 1,480 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from OTP to SDR?** Aero Services Executive is currently the only airline flying OTP to SDR nonstop. 2LNR doesn't show award or upgrade space for it on OTP to SDR, so this page carries the schedule rather than a space claim. **How many flights a week are there from OTP to SDR?** About 5 nonstop flights a week run between Bucharest (OTP) and Santander (SDR) in the current schedule, operated by Aero Services Executive. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from OTP to SDR depart?** Scheduled OTP to SDR nonstops in the next 7 days with service leave between 06:10 and 15:10, local time at Bucharest. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate OTP to SDR nonstop?** Aero Services Executive flies W4 3193 nonstop from Bucharest (OTP) to Santander (SDR), the only flight number in the schedule table on this page. The table lists each date with its departure and arrival times and aircraft. **Does 2LNR show upgrade or award space on OTP to SDR?** Not on this route: 2LNR doesn't show award or upgrade space for Aero Services Executive on OTP to SDR. The page carries the full OTP to SDR nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [SDR to OTP nonstop flights](https://2lnr.com/routes/sdr-otp.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from Bucharest (OTP)](https://2lnr.com/routes/otp.md), or [every route from Santander (SDR)](https://2lnr.com/routes/sdr.md). - [How to plan an upgrade by route](https://2lnr.com/guides/upgrade-strategy.md) ## See the full OTP to SDR nonstop schedule Every scheduled departure on this route, with who flies it. 2LNR shows upgrade and award space by date on the carriers it tracks, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)