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Mount Isa (ISA) departure delays
659 departures · 1 routes · January 2025 – August 2026
78.98%
Left on time
Within 15 minutes of schedule
1.82%
Cancelled
Share of departures
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When late, late by
Average delayed departure
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Rank
Among graded US airports
What the record says about ISA
ISA runs about as well as the average airport here.
Which airlines run best out of ISA
| Airline | Departures | On time |
|---|---|---|
| Qantas | 202 | 80.6% |
| QantasLink | 352 | 76.9% |
Routes out of ISA
Common questions
How bad are delays at Mount Isa (ISA)?
78.98% of departures from ISA left within 15 minutes of schedule across 659 flights. That is about average.
Which airline is most punctual from ISA?
Qantas, at 80.6% on time from this airport. The least punctual was QantasLink at 76.9%.
How often are flights from ISA cancelled?
1.82% of scheduled departures did not operate.
Month by month
Jan 2025
peak 92
Jul 2026