MDZ to GRU flight delays
556 flights · July 2024 – July 2026 · ANAC Brazil
68.73%
Arrived on time
Within 15 minutes of schedule
1.08%
Cancelled
Share of scheduled flights
34 min
When late, late by
Average across delayed arrivals
13 min
Delay per flight
Averaged over every flight flown
What the record says about this route
Which airline you fly changes the odds here. LATAM Brasil arrived on time 11.6 points more often than Gol Linhas Aéreas over the same period on the same route — same airports, same weather, same air traffic control. A gap that survives all of that is about how the two airlines are run.
The season swings this route hard. In January it ran 31.8 points more punctual than in April — a difference bigger than the one between the best and worst airlines on most routes. If the date is flexible, it is worth more than the carrier.
Lateness here is frequent but mild: flights slip past the fifteen-minute line often, yet the average delay is only about 34 minutes. That is an annoyance rather than a broken plan, and it is a very different route from one with the same on-time rate and hour-long delays.
The two directions do not behave alike. GRU to MDZ arrives on time 8.3 points more often than the outbound. Delay accumulates through the flying day, so whichever direction is scheduled later tends to carry the worse record — which is an argument for booking the morning departure if the choice exists.
Which airline should you fly on this route?
Over July 2024 – July 2026, LATAM Brasil arrived on time most often on MDZ to GRU. Gol Linhas Aéreas was late most often. Flights ran closest to schedule in October and worst in April.
Every airline on MDZ to GRU
Ranked by how many flights each one operated. A carrier with fewer than 100 flights in the period is listed but not graded.
| Airline | Flights | On time | Cancelled | Avg delay | Grade |
|---|---|---|---|---|---|
| LATAM Brasil | 282 | 74.29% | 0.71% | 34 min | C |
| Gol Linhas Aéreas | 272 | 62.69% | 1.47% | 34 min | F |
| LATAM Airlines | 2 | 100% | 0% | — | — |
Month by month
Share of flights that arrived within 15 minutes of schedule, by month flown.
The return leg
GRU to MDZ São Paulo back to Mendoza 77.08% on time COther routes from Mendoza
Common questions
Are flights from Mendoza to São Paulo usually delayed?
68.73% of flights on the MDZ to GRU route arrived within 15 minutes of schedule, so roughly 3 in every ten arrived late. That is worse than the average route in this record.
Which airline is most on time from Mendoza to São Paulo?
LATAM Brasil, at 74.29% on time across 282 flights. The least punctual on the route was Gol Linhas Aéreas at 62.69%.
How often are MDZ to GRU flights cancelled?
1.08% of scheduled flights did not operate — about 11 in every thousand. That is in the normal range.
What is the best month to fly Mendoza to São Paulo?
January, when 83.3% of flights arrived on time. The worst was April at 51.5%.
When MDZ to GRU flights are late, how late are they?
About 34 minutes on average across the flights that arrived more than 15 minutes behind schedule.
What these figures do and do not tell you
Everything on this page is counted from the flights that actually operated on MDZ to GRU during July 2024 – July 2026, as reported by the airlines to the US Bureau of Transportation Statistics. "On time" is the federal definition: arriving at the gate within 15 minutes of the scheduled time.
A route's record is a description of the past, not a forecast. Weather, air traffic control and the aircraft's earlier flights that day drive most delays, and none of them are predictable from a historical rate. What the record does tell you is whether this route runs late more often than others, and which carrier on it has the better history — which is the part you can actually act on when you book.
Cancellations are counted separately from delays because they are a different problem for a traveller: a late flight still gets you there. How the grade is calculated →