actual times via AeroDataBox + FlightAware runway fallback

db.py

@@ -33,6 +33,13 @@ CREATE TABLE IF NOT EXISTS pending_flights (
     track_times             TEXT,
     track_point_count       INTEGER,
     flightaware_url         TEXT,
+    takeoff_actual          TEXT,
+    landing_actual          TEXT,
+    gate_departure_scheduled TEXT,
+    gate_departure_actual   TEXT,
+    gate_arrival_scheduled  TEXT,
+    gate_arrival_actual     TEXT,
+    schedule_error          TEXT,
     airtrail_flight_id      INTEGER,
     parse_warnings          TEXT,
     error_message           TEXT,
@@ -68,6 +75,29 @@ def connect():
         conn.close()
 
 
+# Columns added after the original schema. CREATE TABLE IF NOT EXISTS above
+# is a no-op against an already-existing table, so anything added there
+# needs a matching entry here too or it silently never appears on an
+# upgraded (vs. freshly created) database.
+MIGRATIONS = [
+    ("takeoff_actual", "TEXT"),
+    ("landing_actual", "TEXT"),
+    ("gate_departure_scheduled", "TEXT"),
+    ("gate_departure_actual", "TEXT"),
+    ("gate_arrival_scheduled", "TEXT"),
+    ("gate_arrival_actual", "TEXT"),
+    ("schedule_error", "TEXT"),
+]
+
+
+def _run_migrations(conn: sqlite3.Connection) -> None:
+    existing = {row["name"] for row in conn.execute("PRAGMA table_info(pending_flights)")}
+    for column, coltype in MIGRATIONS:
+        if column not in existing:
+            conn.execute(f"ALTER TABLE pending_flights ADD COLUMN {column} {coltype}")
+
+
 def init_db() -> None:
     with connect() as conn:
         conn.executescript(SCHEMA)
+        _run_migrations(conn)