Carlsbad (CLD) to San Francisco (SFO)
Flight time
≈ 1h 39m
Bearing
319° NW
Carlsbad (CLD) to San Francisco (SFO) is 423 miles (680 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies CLD–SFO
US DOT T-100 · filed dataIn April 2026, SkyWest Airlines was the only carrier flying nonstop CLD–SFO; the Embraer E175 was the most common aircraft at 100% of departures; flights ran 36% full.
Departures
117
April 2026
Seats
8,268
both directions
Passengers
2,979
both directions
Load factor
36.0%
passengers ÷ seats
Who flies CLD–SFO?
SkyWest Airlines was the only carrier to fly nonstop CLD–SFO in April 2026 (117 departures).
- OO
SkyWest Airlines
117 departures · 8,268 seats
Share of departures100.0%36.0%
Load
What plane flies CLD–SFO?
In April 2026, the Embraer E175 flew 100% of CLD–SFO departures.
- Embraer E175
117 departures · 36.0% load
100.0%
How has CLD–SFO traffic changed?
Nonstop CLD–SFO departures rose from 11 in March 2026 to 117 in April 2026.
Monthly nonstop CLD–SFO traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
March 2026
11 departures · 262 passengers
34.0%
Load
April 2026
117 departures · 2,979 passengers
36.0%
Load
By direction
The DOT files each direction separately — they rarely match.
SFO → CLD
36.4% full
59 departures · 1,519 passengers
CLD → SFO
35.6% full
58 departures · 1,460 passengers
Nonstop CLD–SFO traffic has been filed with the US DOT since 2026.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2026. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Frequently asked
How far is Carlsbad (CLD) from San Francisco (SFO)?
CLD to SFO is 423 miles (680 km / 367 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from CLD to SFO?
A nonstop covers the 423-mile great-circle distance in roughly 1h 39m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies CLD–SFO?
In April 2026, the Embraer E175 flew the largest share of departures (100.0%).
What mileage do I earn flying CLD–SFO?
Distance-based programs credit off the 423-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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