Hartsfield-Jackson Atlanta International (ATL) splits cleanly into two very different stories in this dataset. The 9 domestic connections — Miami, Chicago, Dallas, Newark, New York JFK, Boston, Los Angeles, San Francisco, and Seattle — are all verified, a clean 100% record that lines up with ATL's role as Delta's largest hub. The 16 international pairs are a different picture: only 4 of them show a verified historical nonstop record.
The gap between ATL's domestic and international verification rates (9-for-9 versus 4-for-16) is the real story here: this is an airline hub built primarily around a dense, fully-served domestic network, with international long-haul that is comparatively thin in the historical record. Of the international pairs, Toronto, Montreal, Manchester, and London Heathrow are the ones with confirmed direct service; the remaining Canadian short-hops (Ottawa, Calgary, Vancouver) and all five tracked Australian routes carry no verified record and should be treated as connection-routed, not nonstop.
All 9 domestic routes out of Atlanta carry a verified historical direct-service record, spanning short-haul hops of just over an hour (Miami, Chicago) up to four-hour medium-haul runs to Seattle and San Francisco — a fully-served network consistent with Delta's home hub.
| Destination | Country | Distance | Flight Time | Haul | Verified Service |
|---|---|---|---|---|---|
Miami MIA |
United States | 959 km / 596 mi | ≈ 1.1h | Short-haul | ✓ 12 carriers |
Chicago ORD |
United States | 976 km / 606 mi | ≈ 1.1h | Short-haul | ✓ 12 carriers |
Dallas DFW |
United States | 1,175 km / 730 mi | ≈ 1.4h | Short-haul | ✓ 11 carriers |
Newark EWR |
United States | 1,198 km / 745 mi | ≈ 1.4h | Short-haul | ✓ 7 carriers |
New York JFK |
United States | 1,222 km / 759 mi | ≈ 1.4h | Short-haul | ✓ 10 carriers |
Boston BOS |
United States | 1,521 km / 945 mi | ≈ 1.8h | Short-haul | ✓ 8 carriers |
Los Angeles LAX |
United States | 3,126 km / 1,942 mi | ≈ 3.7h | Medium-haul | ✓ 10 carriers |
San Francisco SFO |
United States | 3,435 km / 2,134 mi | ≈ 4.0h | Medium-haul | ✓ 9 carriers |
Seattle SEA |
United States | 3,505 km / 2,178 mi | ≈ 4.1h | Medium-haul | ✓ 6 carriers |
Of the 16 international pairs tracked from Atlanta, only Toronto, Montreal, Manchester, and London Heathrow show a verified nonstop record. The remaining Canadian routes and every one of the five Australian long-haul entries — Perth is the farthest, at 18,102 km and roughly 21.3 hours — carry no verified direct service in this dataset.
| Destination | Country | Distance | Flight Time | Haul | Verified Service |
|---|---|---|---|---|---|
Toronto YYZ |
Canada | 1,191 km / 740 mi | ≈ 1.4h | Short-haul | ✓ 6 carriers |
Ottawa YOW |
Canada | 1,499 km / 931 mi | ≈ 1.8h | Short-haul | — no record |
Montreal YUL |
Canada | 1,600 km / 994 mi | ≈ 1.9h | Short-haul | ✓ 3 carriers |
Calgary YYC |
Canada | 3,076 km / 1,912 mi | ≈ 3.6h | Medium-haul | — no record |
Vancouver YVR |
Canada | 3,611 km / 2,244 mi | ≈ 4.2h | Medium-haul | — no record |
Glasgow GLA |
United Kingdom | 6,376 km / 3,962 mi | ≈ 7.5h | Long-haul | — no record |
Edinburgh EDI |
United Kingdom | 6,438 km / 4,000 mi | ≈ 7.6h | Long-haul | — no record |
Manchester MAN |
United Kingdom | 6,581 km / 4,089 mi | ≈ 7.7h | Long-haul | ✓ 4 carriers |
Birmingham BHX |
United Kingdom | 6,643 km / 4,128 mi | ≈ 7.8h | Long-haul | — no record |
London LHR |
United Kingdom | 6,761 km / 4,201 mi | ≈ 8.0h | Long-haul | ✓ 8 carriers |
London LGW |
United Kingdom | 6,790 km / 4,219 mi | ≈ 8.0h | Long-haul | — no record |
Brisbane BNE |
Australia | 14,528 km / 9,027 mi | ≈ 17.1h | Long-haul | — no record |
Sydney SYD |
Australia | 14,943 km / 9,285 mi | ≈ 17.6h | Long-haul | — no record |
Melbourne MEL |
Australia | 15,592 km / 9,688 mi | ≈ 18.3h | Long-haul | — no record |
Adelaide ADL |
Australia | 16,097 km / 10,002 mi | ≈ 18.9h | Long-haul | — no record |
Perth PER |
Australia | 18,102 km / 11,248 mi | ≈ 21.3h | Long-haul | — no record |
13 of Atlanta's 25 tracked routes carry a verified historical operating record: all 9 domestic connections plus 4 of the 16 international ones (Toronto, Montreal, Manchester, and London Heathrow).
OpenFlights' historical route dataset records 12 carriers operating this city pair, flying Boeing 737-800, Boeing 757, M88 and other types. It's the best-served pair in Atlanta's whole tracked network — still confirm current-day operation and schedule in your GDS before quoting, since this dataset reflects historical service, not a live timetable.
AA American AirlinesAF Air FranceAM AeroMéxicoAS Alaska AirlinesAZ Alitalia12 carriers on record (Boeing 757, CR7, E75) — solidly served, competitive pricing across at least a few airlines historically.
AA American AirlinesAF Air FranceAZ AlitaliaBA British AirwaysCX Cathay Pacific11 carriers on record (74Y, Airbus A320, M80 and other types) — solidly served, competitive pricing across at least a few airlines historically.
AA American AirlinesAF Air FranceAZ AlitaliaBA British AirwaysCI China Airlines10 carriers on record (74N, Airbus A319, Boeing 737-800 and other types) — solidly served, competitive pricing across at least a few airlines historically.
AF Air FranceAM AeroMéxicoAZ AlitaliaDL Delta Air LinesKE Korean AirATL is the origin code across this entire table, from the one-hour domestic hop to Miami through to the 21-hour distance reference to Perth; a standard GDS availability query needs only the destination code and date swapped between them.
Amadeus: AN15JULATLxxx Sabre: A15JUNATLxxx Galileo: A/15JUNATLxxx
Replace xxx with the destination's own 3-letter IATA code from the tables above — the availability-check syntax itself doesn't change by destination, only the city pair does.
25 total: 9 domestic (all within the United States) and 16 international.
Yes — all 9 domestic connections tracked here (Miami, Chicago, Dallas, Newark, JFK, Boston, LA, San Francisco, Seattle) carry a verified historical direct-service record.
Toronto, Montreal, Manchester, and London Heathrow are the 4 international pairs with a verified record out of the 16 tracked.
Not among the 5 Australian pairs tracked here (Brisbane, Sydney, Melbourne, Adelaide, Perth) — none show a verified nonstop record, so treat them as long-haul distance references routed through a connection.
Perth, at 18,102 km and about 21.3 hours of flight time, with no verified direct-service record in this dataset.
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