## Airports

id | name | city | country
--- | --- | --- | ---
1 | A1 | City A | Country A
2 | A2 | City B | Country B
3 | A3 | City C | Country C
4 | A4 | City D | Country D
5 | A5 | City E | Country E

## Airlines

id | airlineName | headquarteredIn | homeAirportId
--- | --- | --- | ---
|  |  | (→ Airports.id)
1 | Alaska Airlines | USA | None
2 | Delta Airlines | USA | None
3 | United Airlines | USA | None
4 | American Airlines | USA | None
5 | JetBlue Airways | USA | None

## Manufactures

id | aircraftModel | manufacturers | numberOfSeats
--- | --- | --- | ---
|  | (→ Airlines.airlineName) |
1 | 737 MAX | Boeing | 180
2 | A320neo | Airbus | 180
3 | Bombardier CRJ900 | Canada | 65
4 | Embraer ERJ-170 | Brazil | 68
5 | Airbus A220 | Airbus | 130

## Flights

id | flightNo | departureTime | arrivalTime | originAirportId | destinationAirportId | aircraftId
--- | --- | --- | --- | --- | --- | ---
|  |  |  | (→ Airports.id) | (→ Airports.id) | (→ Manufactures.id)
1 | AA1 | 2022-01-01 10:00:00 | 2022-01-01 15:00:00 | 1 | 2 | 1
2 | DL1 | 2022-01-01 11:00:00 | 2022-01-01 16:00:00 | 2 | 3 | 2
3 | UA1 | 2022-01-01 12:00:00 | 2022-01-01 17:00:00 | 3 | 4 | 3
4 | AS1 | 2022-01-01 13:00:00 | 2022-01-01 18:00:00 | 4 | 5 | 4
5 | B61 | 2022-01-01 14:00:00 | 2022-01-01 19:00:00 | 5 | 1 | 5