ICAO SBSL

São Luís Marechal Cunha Machado (SLZ)

Marechal Cunha Machado International Airport handled 205,779 passengers in August 2026, up 9.1% on a year earlier, according to Brazil's ANAC.

Flights (arrivals + departures) over time

The most recent periods20 periods
PeriodFlights (arrivals + departures) 2025Flights (arrivals + departures) 2026Change vs last year
January8931,108▲ 24.1%
February858993▲ 15.7%
March9291,024▲ 10.2%
April963992▲ 3.0%
May1,0461,112▲ 6.3%
June1,0701,173▲ 9.6%
July1,2131,358▲ 12.0%
August1,1561,376▲ 19.0%
September1,074––
October1,109–in progress
November991––
December1,082––
Year to date (Jan–Aug)8,1289,136▲ 12.4%

Passengers over time

Full count · domestic + international
The most recent periods20 periods
PeriodPassengers 2025Passengers 2026Change vs last year
January126,418166,452▲ 31.7%
February113,709134,928▲ 18.7%
March119,782135,844▲ 13.4%
April135,178139,143▲ 2.9%
May156,792163,869▲ 4.5%
June173,488184,716▲ 6.5%
July198,421217,697▲ 9.7%
August188,635205,779▲ 9.1%
September165,176––
October157,191–in progress
November147,923––
December166,234––
Year to date (Jan–Aug)1,212,4231,348,428▲ 11.2%

Tonnes of cargo over time

Full count · domestic + international
The most recent periods20 periods
PeriodTonnes of cargo 2025Tonnes of cargo 2026Change vs last year
January734724▼ 1.4%
February761658▼ 13.6%
March750825▲ 10.0%
April722760▲ 5.3%
May834813▼ 2.4%
June745757▲ 1.6%
July821849▲ 3.4%
August774786▲ 1.5%
September786––
October802–in progress
November843––
December781––
Year to date (Jan–Aug)6,1426,172▲ 0.5%

Seats offered over time

Full count · domestic + international
The most recent periods20 periods
PeriodSeats offered 2025Seats offered 2026Change vs last year
January152,791201,178▲ 31.7%
February144,651179,352▲ 24.0%
March164,033181,572▲ 10.7%
April174,287179,519▲ 3.0%
May186,117204,603▲ 9.9%
June193,049216,582▲ 12.2%
July222,543247,177▲ 11.1%
August209,257250,095▲ 19.5%
September195,030––
October203,926–in progress
November182,284––
December200,071––
Year to date (Jan–Aug)1,446,7281,660,078▲ 14.7%

Load factor (computed)

Full count · domestic + international

Passengers ÷ seats offered, both as reported by Brazil's ANAC for the same months. Computed by us; the two source series are shown on this page.

The most recent periods20 periods
PeriodLoad factor 2025Load factor 2026Change vs last year
January82.7%82.7%0.0%
February78.6%75.2%▼ 4.3%
March73.0%74.8%▲ 2.5%
April77.6%77.5%▼ 0.1%
May84.2%80.1%▼ 4.9%
June89.9%85.3%▼ 5.1%
July89.2%88.1%▼ 1.2%
August90.1%82.3%▼ 8.7%
September84.7%––
October77.1%–in progress
November81.1%––
December83.1%––
Year-to-date average (Jan–Aug)83.2%80.8%▼ 2.9%

Seasonality · flights (arrivals + departures) by month

Year JanFebMarAprMayJunJulAugSepOctNovDec
2024 974 838 876 880 942 980 1,168 1,138 1,065 990 933 916
2025 893 858 929 963 1,046 1,070 1,213 1,156 1,074 1,109 991 1,082
2026 1,108 993 1,024 992 1,112 1,173 1,358 1,376
Series depth 26 years from 2000

On-time departures by month

Departures reported to ANAC at this airport

89.5% of 678 timed departures from Marechal Cunha Machado International Airport left within 15 minutes of schedule in July 2026, according to Brazil's ANAC. Cancelled flights are excluded.

The most recent periods19 periods
PeriodOn-time departures 2025On-time departures 2026Change vs last year
January80.2%85.7%▲ 6.8%
February78.6%89.1%▲ 13.3%
March87.5%90.0%▲ 2.8%
April86.0%83.3%▼ 3.1%
May87.4%87.8%▲ 0.4%
June87.6%86.8%▼ 1.0%
July90.3%89.5%▼ 0.8%
August88.4%––
September91.4%––
October89.1%–in progress
November86.6%––
December78.4%––
Year-to-date average (Jan–Jul)85.4%87.5%▲ 2.4%

Flight timing & delays

Historical departures, grouped by the scheduled local time at the departure airport. These are recorded outcomes, not a forecast for your flight.

Departures reported to ANAC at this airport

Source: Brazil's ANAC · Oct 12, 2024 → Aug 1, 2026

Lowest average delay05:00–06:00-4.6min · 429 recorded · 427 measured
Gap to highest-delay hour35.6min05:00 ↔ 00:00
Recorded flights11,511Marechal Cunha Machado International Airport

Departure hour

On-time departures Data Integrity

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Average departure delay Data Integrity

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Recorded flights Data Integrity

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View the figures
Departure hourOn-time departuresAverage departure delayWith departure timeRecorded flights
00:0093.9%31.0 min490505
01:0084.9%2.2 min627636
02:0086.2%3.5 min1,1731,186
03:0089.5%1.4 min927945
04:0089.8%-0.8 min1,2351,245
05:0093.7%-4.6 min427429
06:00Fewer than 200 measured departures—2323
07:00Fewer than 200 measured departures—22
08:00Fewer than 200 measured departures—11
09:00No observations———
10:00Fewer than 200 measured departures—77
11:0082.2%6.3 min1,6991,713
12:0090.3%-0.0 min321323
13:00Fewer than 200 measured departures—3739
14:0078.1%9.4 min538547
15:0087.5%3.3 min846886
16:0086.8%2.1 min680685
17:0081.9%6.1 min1,1741,189
18:0085.4%2.2 min677691
19:00Fewer than 200 measured departures—5456
20:0080.4%7.2 min336355
21:00Fewer than 200 measured departures—1314
22:00Fewer than 200 measured departures—66
23:00Fewer than 200 measured departures—2828

Day of week

On-time departures Data Integrity

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Average departure delay Data Integrity

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Recorded flights Data Integrity

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View the figures
Day of weekOn-time departuresAverage departure delayWith departure timeRecorded flights
Monday88.2%2.0 min1,6441,668
Tuesday85.0%3.2 min1,6341,657
Wednesday86.2%8.8 min1,6281,654
Thursday86.0%6.1 min1,6251,653
Friday84.8%5.4 min1,8491,879
Saturday84.5%3.1 min1,5301,564
Sunday87.5%1.9 min1,4111,436

Month of year

Months combine the same calendar month across the years shown; this is a seasonal pattern, not a monthly time series.

On-time departures Data Integrity

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Average departure delay Data Integrity

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Recorded flights Data Integrity

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View the figures
Month of yearOn-time departuresAverage departure delayWith departure timeRecorded flights
Jan83.2%4.4 min9951,019
Feb84.2%5.3 min925944
Mar88.8%0.9 min976991
Apr84.7%5.9 min972984
May87.6%2.0 min1,0791,086
Jun87.2%1.8 min1,1151,130
Jul89.9%0.0 min1,2831,296
Aug88.4%-0.1 min579584
Sep91.4%-1.9 min536541
Oct85.4%3.3 min872892
Nov86.3%16.3 min9851,008
Dec76.8%12.2 min1,0041,036

Delay and on-time rates need at least 200 measured departures per bucket. Smaller samples remain visible in the flight-count chart. An empty slot means no observations, not zero flights.

Recorded outcomes

  • On time 84.6% 9,735
  • Delayed >15 min 13.8% 1,586
  • Cancelled 1.7% 190
  • Missing departure time 0.0% 0

All recorded flights with a known scheduled local time, counted once. Missing actual times are shown separately.

On time means departing no more than 15 minutes after schedule. Cancelled flights and flights missing departure times are excluded from the on-time rate and average delay.

Partial records from Brazil's ANAC Brazil's ANAC records only the part of Marechal Cunha Machado International Airport's traffic that touches its own network. These are not Marechal Cunha Machado International Airport's busiest destinations or its overall on-time rate.

Flights recorded between Oct 12, 2024 and Jul 31, 2026, counted from flight records published by Brazil's ANAC. Not a current timetable.

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