Also figured it might be useful to have a resource for airline personal item size limits, since it's not as easy to find as carry-on limits, so here's a list:
| Airline || Height (cm) || Width (cm) || Depth (cm) || Linear (cm)
|-
| Aer Lingus || 33 || 25 || 20 || 78
|-
| Aeroflot || 35 || 30 || 15 || 80
|-
| AeroMexico || 55 || 40 || 25 || 120
|-
| Air Canada || 43 || 33 || 15 || 91
|-
| Air China || 0 || 0 || 0 || 0
|-
| Air Europa || 35 || 30 || 20 || 85
|-
| Air France-KLM || 40 || 30 || 15 || 85
|-
| Air India || 0 || 0 || 0 || 0
|-
| Alitalia || 45 || 36 || 20 || 101
|-
| Allegiant Air || 40.6 || 38.1 || 17.8 || 96.5
|-
| American Airlines || 45 || 35 || 20 || 100
|-
| Austrian Airlines || 40 || 30 || 10 || 80
|-
| British Airways || 40 || 30 || 15 || 85
|-
| Brussels Airlines || 40 || 30 || 10 || 80
|-
| Cathay Pacific Airways || 40 || 30 || 15 || 85
|-
| China Eastern Airlines || 0 || 0 || 0 || 0
|-
| EasyJet Airline || 45 || 36 || 20 || 101
|-
| El Al Israel Airlines || 38 || 30 || 8 || 76
|-
| Emirates || 45 || 35 || 20 || 100
|-
| Ethiopian Airlines || 0 || 0 || 0 || 0
|-
| Etihad Airways || 38.862 || 22.86 || 19.05 || 80.772
|-
| Eurowings || 40 || 30 || 10 || 80
|-
| EVA Air || 40 || 30 || 10 || 80
|-
| Finnair || 40 || 30 || 15 || 85
|-
| Frontier Airlines || 46 || 35.5 || 20 || 101.5
|-
| Iberia || 40 || 30 || 15 || 85
|-
| Icelandair || 40 || 30 || 15 || 85
|-
| JetBlue Airways || 43.2 || 33 || 20.3 || 96.5
|-
| Kuwait Airways || 56 || 46 || 25 || 127
|-
| Lufthansa || 40 || 30 || 10 || 80
|-
| Norwegian Air Shuttle || 33 || 25 || 20 || 78
|-
| Philippine Airlines || 0 || 0 || 0 || 0
|-
| Qantas Airways || 0 || 0 || 0 || 0
|-
| RyanAir || 40 || 25 || 20 || 85
|-
| Scandinavian Airlines || 40 || 30 || 15 || 85
|-
| Singapore Airlines || 40 || 30 || 10 || 80
|-
| Southwest Airlines || 47 || 34 || 21.5 || 102.5
|-
| Spirit Airlines || 47 || 35.5 || 20.3 || 102.8
|-
| Swiss || 40 || 30 || 10 || 80
|-
| TAP Air Portugal || 40 || 30 || 15 || 85
|-
| Thai Airways || 37.5 || 25 || 12.5 || 75
|-
| United Airlines || 43.2 || 25.4 || 22.9 || 91.5