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🇫🇷 Mulhouse, France

EuroAirport Basel-Mulhouse-Freiburg Airport (BSL)

EuroAirport Basel-Mulhouse-Freiburg Airport (BSL, LFSB) serves Mulhouse, France. Flights leaving BSL left an average of 13.2 min late in the twelve months to July 2026, the 25th least delayed of 88 busy European airports. 1.0 million passengers used it in the twelve months to February 2026, most often flying to or from Amsterdam.

Delays at BSL

Average departure delay per flight: 13.2 min over the twelve months to July 2026. Delays were worst in July (18.1 min) and lightest in November (7.2 min).

Average departure delay per flight from BSL, all causes, by month. Green is the least delayed month, orange the most.
See the figures
MonthAverage departure delayDepartures
August 202516.1 min3,771
September 202516.7 min3,746
October 202514.4 min3,836
November 20257.2 min2,791
December 202511.9 min3,175
January 202614.3 min2,425
February 20269.5 min2,388
March 20267.6 min3,016
April 202610.2 min1,931
May 202611.8 min1,675
June 202614.8 min3,721
July 202618.1 min3,779

Air traffic flow restrictions held 0.1% of arrivals at BSL for more than 15 minutes in the twelve months to August 2026, most often because of airport capacity (100% of those delay minutes).

Departure delay counts every cause, from the airline to air traffic control, and is measured against the scheduled time. Source: EUROCONTROL Aviation Intelligence Portal, summarised by TripStow. EUROCONTROL does not endorse TripStow.

Passengers at BSL

974,293 passengers used BSL in the twelve months to February 2026, on 5,998 commercial flights.

Passengers by month at BSL, arrivals and departures together.
See the figures
MonthPassengersFlights
March 202546,774324
April 202563,742413
May 202581,269525
June 202587,319546
July 202594,506643
August 202593,444574
September 202574,544463
October 202594,214533
November 202596,374551
December 202591,915533
January 202681,742504
February 202668,450389

Eurostat publishes airport figures a few months behind. Source: Eurostat (CC BY 4.0), summarised by TripStow.

Busiest routes from BSL

  1. Amsterdam Airport Schiphol (AMS)363,899 passengers
  2. Budapest Liszt Ferenc (BUD)335,244 passengers
  3. Barcelona (BCN)327,686 passengers
  4. Palma De Mallorca (PMI)310,600 passengers
  5. Porto (OPO)256,119 passengers
  6. Berlin Brandenburg (BER)206,673 passengers
  7. Pristina (PRN)200,039 passengers
  8. Frankfurt am Main (FRA)179,662 passengers
  9. Rome (FCO)176,376 passengers
  10. Nice-Côte d'Azur (NCE)168,619 passengers

Passengers in 2024, both directions together. Source: Eurostat (CC BY 4.0), summarised by TripStow.

Questions and answers

How delayed are flights at Mulhouse (BSL)?
Flights leaving BSL left an average of 13.2 min late in the twelve months to July 2026, the 25th least delayed of 88 busy European airports.
Which month has the most delays at BSL?
July 2026, when flights left an average of 18.1 minutes late; the lightest month was November 2025 (7.2 minutes).
Why are flights delayed at BSL?
EUROCONTROL records why air traffic flow restrictions delay arrivals. At BSL in the last year the biggest cause was airport capacity (100% of those minutes).

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