AVIANCA COSTA RICA (LACSA)LR
Flights LR646 06:10 Mo Tu Th Sa
live
Direct flights from Buenos Aires (EZE) to Quito (UIO): 12 nonstop departures observed each week across 3 airlines. 92% of the last 12 operated flights arrived within 15 minutes of schedule. The median arrival is 9 minutes late. No cancellations were recorded across the 12 tracked flights. The nonstop covers 4,373 km, an estimated 6 hours 6 minutes in the air. Measured by Pro Flight Search from live flight boards at Buenos Aires and Quito. Updated 14 September 2026 at 04:37 UTC.
EZE
Buenos Aires
heavy · +34
UIO
Quito
busy · +23
4,373 km · ~6h 06m est.
Runs reliable · 3 airlines · 12x weekly · nonstop
92% on time
of the last 12 operated EZE → UIO flights arrived within 15 minutes
Median arrival delay is +9 min. 0 of 12 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival+9 minacross the last 12 operated legs
Flight time~6h 06mestimated from route distance
Weekly departures12x3 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 12
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
AVIANCA COSTA RICA (LACSA)AVIANCA ECUADOREmirates
Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.
Who flies it
observed on the boards · 7 daysHistory
operated legs · board outcomesActual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather lens
Current conditions put the pressure at UIO: 51% odds of a 15+ minute delay and around +10 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →
next sweep in 120s
How the Buenos Aires to Quito route actually runs
Pro Flight Search records official board updates for nonstop EZE to UIO flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Cite this data
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Suggested citation
Pro Flight Search — Buenos Aires (EZE) to Quito (UIO) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/EZE-UIO
EZE to UIO questions
Is EZE–UIO running on time right now?
Some delays possible. The departure side at EZE is the weaker end, route health score 64/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on EZE–UIO?
Operators schedule morning departures around 06:10 from EZE. Earlier flights typically land before destination-airport delays accumulate later in the day; check the UIO delay card to confirm conditions when you'd arrive.
How long is the flight from EZE to UIO?
Great-circle distance is 4,373 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 339–405 min gate-to-gate on this route.
How often does EZE–UIO fly?
3 carriers operate this route, around 12 flights a week between them. Compare carrier days and times in the airline list above.
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