diff --git a/autotests/postprocessordata/lh-incomplete-departure-time.post.json b/autotests/postprocessordata/lh-incomplete-departure-time.post.json
new file mode 100644
index 0000000..03b0ec9
--- /dev/null
+++ b/autotests/postprocessordata/lh-incomplete-departure-time.post.json
@@ -0,0 +1,43 @@
+[
+    {
+        "@context": "http://schema.org",
+        "@type": "FlightReservation",
+        "airplaneSeat": "5A",
+        "reservationFor": {
+            "@type": "Flight",
+            "airline": {
+                "@type": "Airline",
+                "iataCode": "LH",
+                "name": "Lufthansa"
+            },
+            "arrivalAirport": {
+                "@type": "Airport",
+                "geo": {
+                    "@type": "GeoCoordinates",
+                    "latitude": 52.55970001220703,
+                    "longitude": 13.287799835205078
+                },
+                "iataCode": "TXL",
+                "name": "Berlin"
+            },
+            "boardingTime": {
+                "@type": "QDateTime",
+                "@value": "2018-03-06T17:05:00+01:00",
+                "timezone": "Europe/Berlin"
+            },
+            "departureAirport": {
+                "@type": "Airport",
+                "geo": {
+                    "@type": "GeoCoordinates",
+                    "latitude": 48.35390090942383,
+                    "longitude": 11.786100387573242
+                },
+                "iataCode": "MUC",
+                "name": "Munich"
+            },
+            "departureDay": "2018-03-06",
+            "flightNumber": "2724"
+        },
+        "reservationNumber": "XXX007"
+    }
+]
diff --git a/autotests/postprocessordata/lh-incomplete-departure-time.pre.json b/autotests/postprocessordata/lh-incomplete-departure-time.pre.json
new file mode 100644
index 0000000..a0d7093
--- /dev/null
+++ b/autotests/postprocessordata/lh-incomplete-departure-time.pre.json
@@ -0,0 +1,39 @@
+[
+    {
+        "@context": "http://schema.org",
+        "@type": "FlightReservation",
+        "airplaneSeat": "5A",
+        "airplaneSeatClass": {
+            "@type": "AirplaneSeatClass",
+            "name": "ECO LIGHT"
+        },
+        "passengerSequenceNumber": "42",
+        "programMembership": {
+            "@type": "ProgramMembership",
+            "program": ""
+        },
+        "reservationFor": {
+            "@type": "Flight",
+            "airline": {
+                "@type": "Airline",
+                "iataCode": "LH",
+                "name": "Lufthansa"
+            },
+            "arrivalAirport": {
+                "@type": "Airport",
+                "iataCode": "TXL",
+                "name": "Berlin"
+            },
+            "boardingTime": "2018-03-06T17:05:00.000+01:00",
+            "departureAirport": {
+                "@type": "Airport",
+                "iataCode": "MUC",
+                "name": "Munich"
+            },
+            "departureTime": "2018-03-06",
+            "flightNumber": "2724"
+        },
+        "reservationNumber": "XXX007",
+        "showDepartureTimeOnBoardingPass": "false"
+    }
+]
diff --git a/src/jsonldimportfilter.cpp b/src/jsonldimportfilter.cpp
index 2a71b50..1529b7f 100644
--- a/src/jsonldimportfilter.cpp
+++ b/src/jsonldimportfilter.cpp
@@ -1,86 +1,100 @@
 /*
     Copyright (C) 2018 Volker Krause <vkrause@kde.org>
 
     This program is free software; you can redistribute it and/or modify it
     under the terms of the GNU Library General Public License as published by
     the Free Software Foundation; either version 2 of the License, or (at your
     option) any later version.
 
     This program is distributed in the hope that it will be useful, but WITHOUT
     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
     License for more details.
 
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "jsonldimportfilter.h"
 
 #include <QDebug>
 #include <QJsonObject>
 
 using namespace KItinerary;
 
 static void renameProperty(QJsonObject &obj, const char *oldName, const char *newName)
 {
     const auto value = obj.value(QLatin1String(oldName));
     if (!value.isNull() && !obj.contains(QLatin1String(newName))) {
         obj.insert(QLatin1String(newName), value);
         obj.remove(QLatin1String(oldName));
     }
 }
 
 static void filterTrainTrip(QJsonObject &trip)
 {
     if (trip.value(QLatin1String("@type")).toString() != QLatin1String("TrainTrip")) {
         return;
     }
 
     // move TrainTrip::trainCompany to TrainTrip::provider (as defined by schema.org)
     renameProperty(trip, "trainCompany", "provider");
 }
 
 static void filterLodgingReservation(QJsonObject &res)
 {
     // check[in|out]Date -> check[in|out]Time (legacy Google format)
     renameProperty(res, "checkinDate", "checkinTime");
     renameProperty(res, "checkoutDate", "checkoutTime");
 }
 
+static void filterFlight(QJsonObject &res)
+{
+    // move incomplete departureTime (ie. just ISO date, no time) to departureDay
+    if (res.value(QLatin1String("departureTime")).toString().size() == 10) {
+        renameProperty(res, "departureTime", "departureDay");
+    }
+}
+
 static void filterReservation(QJsonObject &res)
 {
     // move ticketToken to Ticket (Google vs. schema.org difference)
     const auto token = res.value(QLatin1String("ticketToken")).toString();
     if (!token.isEmpty()) {
         auto ticket = res.value(QLatin1String("reservedTicket")).toObject();
         if (ticket.isEmpty()) {
             ticket.insert(QLatin1String("@type"), QLatin1String("Ticket"));
         }
         if (!ticket.contains(QLatin1String("ticketToken"))) {
             ticket.insert(QLatin1String("ticketToken"), token);
             res.insert(QLatin1String("reservedTicket"), ticket);
         }
     }
 }
 
 QJsonObject JsonLdImportFilter::filterObject(const QJsonObject& obj)
 {
     QJsonObject res(obj);
     const auto type = obj.value(QLatin1String("@type")).toString();
     if (type.endsWith(QLatin1String("Reservation"))) {
         filterReservation(res);
     }
 
     if (type == QLatin1String("TrainReservation")) {
         auto train = obj.value(QLatin1String("reservationFor")).toObject();
         filterTrainTrip(train);
         if (!train.isEmpty()) {
             res.insert(QLatin1String("reservationFor"), train);
         }
     } else if (type == QLatin1String("LodgingReservation")) {
         filterLodgingReservation(res);
+    } else if (type == QLatin1String("FlightReservation")) {
+        auto flight = obj.value(QLatin1String("reservationFor")).toObject();
+        filterFlight(flight);
+        if (!flight.isEmpty()) {
+            res.insert(QLatin1String("reservationFor"), flight);
+        }
     }
 
     return res;
 }