A new analysis of the world’s busiest connecting hubs finds that the instinct to judge a layover by a city’s reputation is often exactly backwards. What actually matters is a number most travelers never think to check.
Most travelers size up a long layover the same way: is this a city I’d trust myself in for a few hours? A new comparative study suggests that’s the wrong question entirely. The number that actually determines whether it’s worth leaving the airport isn’t a city’s overall safety score — it’s a separate measure of how safely and reliably a visitor can get to and from that airport, and the two figures can diverge sharply enough to flip the intuitive answer.
Panama City is the clearest case. Its overall safety score sits at a perfectly respectable 71 out of 100, comparable to Istanbul or Bangkok — nowhere near a city most travelers would think twice about. But the transport score, which captures the actual run between Tocumen International and anything worth seeing, drops to 62. That nine-point gap is enough to tip the verdict toward staying airside, not because Panama City itself is risky, but because the transfer is the weak link nobody thinks to check.
Nairobi shows the same pattern taken further: a 61 overall score against a transport score of just 44, a 17-point chasm that makes it the widest gap on the board. Addis Ababa follows a near-identical shape.
The reassuring finding runs the other way. In Singapore, the transport score actually edges above the city’s overall score — the transfer, in other words, is measurably safer than the destination it serves. Tokyo, Seoul, Hong Kong, Dubai, and Doha all show the same alignment, which is part of why those hubs have built reputations as genuinely easy layover cities: fast, English-signed rail links that are hard to get wrong even on four hours of sleep.
Johannesburg is the most striking outlier of all, with a transport score ten points above its overall safety figure — a reminder that the transfer and the city are genuinely separate questions, not two ways of asking the same thing.
None of this requires memorizing a spreadsheet before a connection. The practical version is simple: treat a long layover as two airport transfers bracketing a sliver of city, not a mini-visit to that city, and let the transport figure — not the destination’s general reputation — decide whether that sliver is worth the trouble. Where the gap runs negative, the smarter use of a ten-hour connection is the lounge, not the taxi queue.
| Hub city & airport | Overall | Transport | Gap | Verdict |
|---|---|---|---|---|
| Nairobi, Kenya — Jomo Kenyatta (NBO) | 61 | 44 | −17 | Stay airside |
| Addis Ababa, Ethiopia — Bole (ADD) | 68 | 53 | −15 | Stay airside |
| Panama City, Panama — Tocumen (PTY) | 71 | 62 | −9 | Stay airside |
| Bangkok, Thailand — Suvarnabhumi (BKK) | 76 | 69 | −7 | Leave & explore |
| Bogotá, Colombia — El Dorado (BOG) | 63 | 57 | −6 | Stay airside |
| Istanbul, Turkey — Istanbul (IST) | 72 | 67 | −5 | Leave & explore |
| Doha, Qatar — Hamad Intl (DOH) | 92 | 88 | −4 | Leave & explore |
| Frankfurt, Germany — Frankfurt (FRA) | 90 | 87 | −3 | Leave & explore |
| Dubai, UAE — Dubai Intl (DXB) | 92 | 90 | −2 | Leave & explore |
| Tokyo, Japan — Haneda/Narita (HND/NRT) | 94 | 93 | −1 | Leave & explore |
| Hong Kong — Hong Kong Intl (HKG) | 91 | 90 | −1 | Leave & explore |
| Kuala Lumpur, Malaysia — KLIA (KUL) | 78 | 77 | −1 | Leave & explore |
| Mexico City, Mexico — Benito Juárez (MEX) | 59 | 59 | 0 | Stay airside |
| Singapore — Changi (SIN) | 93 | 94 | +1 | Leave & explore |
| Seoul, South Korea — Incheon (ICN) | 89 | 90 | +1 | Leave & explore |
| Amsterdam, Netherlands — Schiphol (AMS) | 85 | 86 | +1 | Leave & explore |
| Paris, France — Charles de Gaulle (CDG) | 80 | 81 | +1 | Leave & explore |
| Los Angeles, US — LAX | 74 | 75 | +1 | Leave & explore |
| London, UK — Heathrow (LHR) | 81 | 85 | +4 | Leave & explore |
| Johannesburg, South Africa — O.R. Tambo (JNB) | 41 | 51 | +10 | Stay airside |
Source: Kakapo Editorial Team (2026). The Layover Trap: The Transfer Is the Trap, Not the City. Kakapo

