diff --git a/package.json b/package.json
index ab46766..97f8cd1 100644
--- a/package.json
+++ b/package.json
@@ -40,8 +40,8 @@
     "typescript": "^5.2.2"
   },
   "peerDependencies": {
-    "typescript": "^5.2.2",
-    "class-validator": "^0.14.0"
+    "class-validator": "^0.14.0",
+    "typescript": "^5.2.2"
   },
   "dependencies": {
     "@apollo/server": "^4.9.5",
diff --git a/prisma/migrations/20231119220003_add_date_format_pref/migration.sql b/prisma/migrations/20231119220003_add_date_format_pref/migration.sql
deleted file mode 100644
index 806af0e..0000000
--- a/prisma/migrations/20231119220003_add_date_format_pref/migration.sql
+++ /dev/null
@@ -1,5 +0,0 @@
--- CreateEnum
-CREATE TYPE "DateFormatType" AS ENUM ('AMERICAN', 'WORLD');
-
--- AlterTable
-ALTER TABLE "UserPreference" ADD COLUMN     "dateFormat" "DateFormatType" NOT NULL DEFAULT 'AMERICAN';
diff --git a/prisma/migrations/20231112181835_init/migration.sql b/prisma/migrations/20231126021752_/migration.sql
similarity index 99%
rename from prisma/migrations/20231112181835_init/migration.sql
rename to prisma/migrations/20231126021752_/migration.sql
index 6a22c98..e59ec7e 100644
--- a/prisma/migrations/20231112181835_init/migration.sql
+++ b/prisma/migrations/20231126021752_/migration.sql
@@ -19,6 +19,9 @@ CREATE TYPE "FlightStatus" AS ENUM ('SCHEDULED', 'DEPARTED', 'DELAYED', 'ARRIVED
 -- CreateEnum
 CREATE TYPE "MeasurementType" AS ENUM ('AMERICAN', 'METRIC', 'IMPERIAL');
 
+-- CreateEnum
+CREATE TYPE "DateFormatType" AS ENUM ('AMERICAN', 'WORLD');
+
 -- CreateTable
 CREATE TABLE "Airline" (
     "id" TEXT NOT NULL,
@@ -319,6 +322,7 @@ CREATE TABLE "UserPreference" (
     "id" TEXT NOT NULL,
     "userID" TEXT NOT NULL,
     "measurement" "MeasurementType" NOT NULL DEFAULT 'AMERICAN',
+    "dateFormat" "DateFormatType" NOT NULL DEFAULT 'AMERICAN',
 
     CONSTRAINT "UserPreference_pkey" PRIMARY KEY ("id")
 );
diff --git a/src/@generated/graphql/models/FlightEvent.ts b/src/@generated/graphql/models/FlightEvent.ts
index 0b97e65..4d1f16a 100644
--- a/src/@generated/graphql/models/FlightEvent.ts
+++ b/src/@generated/graphql/models/FlightEvent.ts
@@ -3,6 +3,7 @@ import { GQL_ValueType } from '../enums/ValueType';
 import { GQL_ChangeType } from '../enums/ChangeType';
 import { Prisma } from '@prisma/client';
 import * as GraphQLScalars from 'graphql-scalars';
+import GraphQLScalars from 'graphql-scalars';
 
 @ObjectType('FlightEvent')
 export class GQL_FlightEvent {
diff --git a/src/@generated/graphql/models/JsonCache.ts b/src/@generated/graphql/models/JsonCache.ts
index 4ee1b33..bb87342 100644
--- a/src/@generated/graphql/models/JsonCache.ts
+++ b/src/@generated/graphql/models/JsonCache.ts
@@ -1,6 +1,7 @@
 import { Field, ObjectType, ID } from 'type-graphql';
 import { Prisma } from '@prisma/client';
 import * as GraphQLScalars from 'graphql-scalars';
+import GraphQLScalars from 'graphql-scalars';
 
 @ObjectType('JsonCache')
 export class GQL_JsonCache {
diff --git a/src/api/graphql/resolvers/user.flights.resolver.ts b/src/api/graphql/resolvers/user.flights.resolver.ts
index 60dadab..64e6c95 100644
--- a/src/api/graphql/resolvers/user.flights.resolver.ts
+++ b/src/api/graphql/resolvers/user.flights.resolver.ts
@@ -1,4 +1,3 @@
-import { FlightStatus } from '@prisma/client';
 import {
   Arg,
   Authorized,
@@ -12,6 +11,9 @@ import {
 import { prisma } from '@app/prisma';
 import { GQL_Flight } from '@app/@generated/graphql/models/Flight';
 import { GQL_UserFlight } from '@app/@generated/graphql/models/UserFlight';
+import { saveFlightToUser } from '@app/services/user.flight/save.flight.to.user';
+import { getUserActiveFlights } from '@app/services/user.flight/get.user.active.flights';
+import { getUserArchivedFlights } from '@app/services/user.flight/get.user.archived.flights';
 
 import { CurrentUserID } from '../_decorators/current.user.id.decorator';
 
@@ -36,20 +38,7 @@ export class UserFlightResolver {
     @CurrentUserID() userID: string,
     @Arg('flightID') flightID: string,
   ): Promise<string> {
-    const record = await prisma.userFlight.upsert({
-      create: {
-        flightID,
-        userID,
-      },
-      update: {},
-      where: {
-        flightID_userID: {
-          flightID,
-          userID,
-        },
-      },
-    });
-
+    const record = await saveFlightToUser(flightID, userID);
     return record.id;
   }
 
@@ -74,45 +63,15 @@ export class UserFlightResolver {
   @Authorized()
   @Query(() => [GQL_UserFlight])
   async userActiveFlights(@CurrentUserID() userID: string) {
-    const result = await prisma.userFlight.findMany({
-      orderBy: {
-        Flight: {
-          estimatedGateDeparture: 'asc',
-        },
-      },
-      where: {
-        Flight: {
-          status: {
-            notIn: [FlightStatus.ARCHIVED, FlightStatus.CANCELED],
-          },
-        },
-        userID,
-      },
-    });
-
-    return result;
+    const flights = await getUserActiveFlights(userID);
+    return flights;
   }
 
   @Authorized()
   @Query(() => [GQL_UserFlight])
   async userArchivedFlights(@CurrentUserID() userID: string) {
-    const result = await prisma.userFlight.findMany({
-      orderBy: {
-        Flight: {
-          estimatedGateDeparture: 'desc',
-        },
-      },
-      where: {
-        Flight: {
-          status: {
-            in: [FlightStatus.ARCHIVED, FlightStatus.CANCELED],
-          },
-        },
-        userID,
-      },
-    });
-
-    return result;
+    const flights = await getUserArchivedFlights(userID);
+    return flights;
   }
 
   @Authorized()
diff --git a/src/firebase.ts b/src/firebase.ts
index 259b697..5de9a4b 100644
--- a/src/firebase.ts
+++ b/src/firebase.ts
@@ -14,4 +14,8 @@ export const firebase = firebaseAdmin.initializeApp({
   credential,
 });
 
-Logger.getSubLogger({ name: 'Firebase' }).debug('initialized');
+Logger.getSubLogger({ name: 'Firebase' }).debug(
+  'initialized projectID=%s clientEmail=%s',
+  ENV.FIREBASE_PROJECT_ID,
+  ENV.FIREBASE_CLIENT_EMAIL,
+);
diff --git a/src/prisma.ts b/src/prisma.ts
index ef039f1..b81ec3f 100644
--- a/src/prisma.ts
+++ b/src/prisma.ts
@@ -1,5 +1,6 @@
 import { PrismaClient } from '@prisma/client';
 
+import { ENV } from './env';
 import { Logger } from './lib/logger';
 
 class _prisma extends PrismaClient {
@@ -26,6 +27,9 @@ class _prisma extends PrismaClient {
       this.$connect()
         .then(() => {
           this.logger.debug('Connected to Prisma');
+          if (ENV.NODE_ENV === 'development') {
+            this.logger.warn('Prisma database url=%s', ENV.DATABASE_URL);
+          }
         })
         .catch(error => {
           this.logger.error('Unable to connect to Prisma', error);
diff --git a/src/scheduler/defined.jobs/plane.sync.job.ts b/src/scheduler/defined.jobs/plane.sync.job.ts
index 5878fb0..735b3ba 100644
--- a/src/scheduler/defined.jobs/plane.sync.job.ts
+++ b/src/scheduler/defined.jobs/plane.sync.job.ts
@@ -11,6 +11,11 @@ import { Job } from '../job';
 export class SyncActivePlaneLocationJob extends Job {
   override cronTime = CronTime.every(7).minutes();
 
+  constructor() {
+    super();
+    this.onProcess();
+  }
+
   private async getTailNumbers() {
     const ceil = moment().add(10, 'hours').toDate();
     const floor = moment().subtract(12, 'hours').toDate();
diff --git a/src/services/aircraft/update.aircraft.position.ts b/src/services/aircraft/update.aircraft.position.ts
index 7e647cf..9d3b39d 100644
--- a/src/services/aircraft/update.aircraft.position.ts
+++ b/src/services/aircraft/update.aircraft.position.ts
@@ -9,7 +9,12 @@ export async function updateAircraftPosition(
 ) {
   const position = await RadarBox.getAircraft(aircraft.tailNumber);
 
-  Logger.debug('Plane position', position);
+  Logger.debug(
+    'Plane tailNumber=%s airlineIata=%s position=%o',
+    aircraft.tailNumber,
+    aircraft.airlineIata,
+    position,
+  );
 
   if (!position || !position?.destinationIata || !position.originIata) {
     Logger.debug(
diff --git a/src/services/user.flight/get.user.active.flights.ts b/src/services/user.flight/get.user.active.flights.ts
new file mode 100644
index 0000000..6e7669f
--- /dev/null
+++ b/src/services/user.flight/get.user.active.flights.ts
@@ -0,0 +1,26 @@
+import { FlightStatus, User } from '@prisma/client';
+
+import { prisma } from '@app/prisma';
+import { Logger } from '@app/lib/logger';
+
+export async function getUserActiveFlights(userID: User['id']) {
+  Logger.debug('Getting user=%s active flights', userID);
+  const flights = await prisma.userFlight.findMany({
+    orderBy: {
+      Flight: {
+        estimatedGateDeparture: 'asc',
+      },
+    },
+    where: {
+      Flight: {
+        status: {
+          notIn: [FlightStatus.ARCHIVED, FlightStatus.CANCELED],
+        },
+      },
+      userID,
+    },
+  });
+
+  Logger.debug('Got user=%s active flights=%s', userID, flights.length);
+  return flights;
+}
diff --git a/src/services/user.flight/get.user.archived.flights.ts b/src/services/user.flight/get.user.archived.flights.ts
new file mode 100644
index 0000000..5c06af1
--- /dev/null
+++ b/src/services/user.flight/get.user.archived.flights.ts
@@ -0,0 +1,26 @@
+import { FlightStatus, User } from '@prisma/client';
+
+import { prisma } from '@app/prisma';
+import { Logger } from '@app/lib/logger';
+
+export async function getUserArchivedFlights(userID: User['id']) {
+  Logger.debug('Getting user=%s archived flights', userID);
+  const flights = await prisma.userFlight.findMany({
+    orderBy: {
+      Flight: {
+        estimatedGateDeparture: 'desc',
+      },
+    },
+    where: {
+      Flight: {
+        status: {
+          in: [FlightStatus.ARCHIVED, FlightStatus.CANCELED],
+        },
+      },
+      userID,
+    },
+  });
+
+  Logger.debug('Got user=%s archived flights=%s', userID, flights.length);
+  return flights;
+}
diff --git a/src/services/user.flight/save.flight.to.user.ts b/src/services/user.flight/save.flight.to.user.ts
new file mode 100644
index 0000000..d2b8c66
--- /dev/null
+++ b/src/services/user.flight/save.flight.to.user.ts
@@ -0,0 +1,27 @@
+import { Flight, User } from '@prisma/client';
+
+import { prisma } from '@app/prisma';
+import { Logger } from '@app/lib/logger';
+
+export async function saveFlightToUser(
+  flightID: Flight['id'],
+  userID: User['id'],
+) {
+  Logger.debug('Adding flight[%s] to user[%s]', flightID, userID);
+
+  const record = await prisma.userFlight.upsert({
+    create: {
+      flightID,
+      userID,
+    },
+    update: {},
+    where: {
+      flightID_userID: {
+        flightID,
+        userID,
+      },
+    },
+  });
+
+  return record;
+}
diff --git a/src/vendors/aircraft/radar.box/index.ts b/src/vendors/aircraft/radar.box/index.ts
index a497ba6..3ebc91c 100644
--- a/src/vendors/aircraft/radar.box/index.ts
+++ b/src/vendors/aircraft/radar.box/index.ts
@@ -37,7 +37,7 @@ export class RadarBox {
     const html = await request.text();
     const data = this.crawlAircraftHtml(html);
     this.logger.debug(
-      'RadarBox request[%s/%s] status[%s]',
+      'RadarBox request[%s] status[%s]',
       request.url,
       request.statusText,
     );