🎯 Bag Size Recommender
What's the largest bag that fits most airlines? Find the optimal dimensions for your target compatibility.
Analyzing 72 airlines
Universal
Fits Every Airline
15.75" × 11.81" × 7"
Fits 72 of 72 airlines (100%)
95%+
Near-Universal
19.6" × 13.7" × 7.8"
Fits 66 of 72 airlines (92%)
6 airlines excluded
Air CaraibesAir NiuginiAir NostrumeasyJetKLMWizz Air
90%+
Wide Compatibility
20" × 13.8" × 7.8"
Fits 62 of 72 airlines (86%)
10 airlines excluded
Air CaraibesAir NiuginiAir NostrumBangkok AirwaysBoliviana de AviacionCambodia Angkor AirChina EasterneasyJetKLMWizz Air
80%+
Good Compatibility
21.5" × 14" × 8"
Fits 49 of 72 airlines (68%)
How It Works
📊
Analyze
We analyze the carry-on limits of 72+ airlines in our database.
🎯
Optimize
For each target %, we find the largest L × W × H that fits that many airlines.
✅
Verify
Click "Check This Size" to see the full airline-by-airline breakdown.
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