G39603

G39603 (Gol Transportes Aéreos) is a multi-stop service on 5 routes, busiest Teresina to São Luís. Of 1,308 departures recorded from October 2024 to August 2026, 91.1% left on time, according to Brazil's ANAC.

according to Brazil's ANAC · Oct 12, 2024 → Aug 1, 2026 only flights to or from one country, not the full total

Recorded departures by month

All legs under this number combined; see the leg table.

The most recent periods20 periods
PeriodDepartures 2025Departures 2026Change vs last year
January6361▼ 3.2%
February6054▼ 10.0%
March5866▲ 13.8%
April5962▲ 5.1%
May6463▼ 1.6%
June6054▼ 10.0%
July6857▼ 16.2%
August661▼ 98.5%
September57––
October61–in progress
November62––
December54––
Year to date (Jan–Aug)498418▼ 16.1%

according to Brazil's ANAC · October 2024 → August 2026

On-time departures by month

All legs combined

On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.

The most recent periods20 periods
PeriodOn time 2025On time 2026Change vs last year
January100.0%96.7%▼ 3.3%
February95.0%90.7%▼ 4.5%
March98.3%74.2%▼ 24.5%
April89.8%87.1%▼ 3.0%
May85.9%92.1%▲ 7.1%
June95.8%90.7%▼ 5.3%
July93.0%88.9%▼ 4.4%
August96.8%100.0%▲ 3.3%
September98.3%––
October100.0%–in progress
November85.3%––
December72.2%––
Year-to-date average (Jan–Aug)94.3%90.1%▼ 4.5%

according to Brazil's ANAC · October 2024 → August 2026

Average departure delay by month

All legs combined

according to Brazil's ANAC · October 2024 → August 2026

Cancelled departures by month

All legs combined
The most recent periods20 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January30▼ 100.0%
February00–
March00–
April00–
May00–
June120▼ 100.0%
July113▼ 72.7%
August40▼ 100.0%
September0––
October3–in progress
November1––
December0––
Year to date (Jan–Aug)303▼ 90.0%

according to Brazil's ANAC · October 2024 → August 2026

This is not a forecast

This is a historical record of departures already flown, not a forecast for your flight.

This number flies several legs

Several legs: the headline figure averages all of them. See the leg table.

Cancellation share

  • Not cancelled 96.8% 1,266
  • Cancelled 3.2% 42

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Aug 1, 2026

On time, leg by leg

  1. THE–SLZ436 93.8%
  2. GRU–THE436 82.2%
  3. SLZ–GRU434 97.4%

Departures within 15 minutes of schedule; small figure = departures recorded.

Legs flown under this number

3
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 42 42 88.1% 0
November 2024 64 62 91.9% 2
December 2024 52 49 93.9% 3
January 2025 63 60 100.0% 3
February 2025 60 60 95.0% 0
March 2025 58 58 98.3% 0
April 2025 59 59 89.8% 0
May 2025 64 64 85.9% 0
June 2025 60 48 95.8% 12
July 2025 68 57 93.0% 11
August 2025 66 62 96.8% 4
September 2025 57 57 98.3% 0
October 2025 61 58 100.0% 3
November 2025 62 61 85.3% 1
December 2025 54 54 72.2% 0
January 2026 61 61 96.7% 0
February 2026 54 54 90.7% 0
March 2026 66 66 74.2% 0
April 2026 62 62 87.1% 0
May 2026 63 63 92.1% 0
June 2026 54 54 90.7% 0
July 2026 57 54 88.9% 3
August 2026 1 1 100.0% 0

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