AA Peak Network Delay — Month & Contributors

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What this dashboard shows:
1. Monthly trend of AA departure delays across all years
2. Peak month identification (worst average departure delay)
3. Origin airports driving the peak month
4. Worst routes by average delay in the peak month
5. Network concentration analysis (broad vs. concentrated)

Peak Month

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worst avg departure delay on record

Peak Avg Dep Delay

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minutes per departed flight

Peak % Delayed 15+

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flights departing ≥ 15 min late

Flights in Peak Month

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completed, non-cancelled departures

Network-Wide Monthly Trend — AA Departure Delays

All months with completed AA departures · average departure delay (minutes) · peak month annotated in red

Monthly avg delay

Peak month

Peak Month Drilldown

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Top Origins by Avg Delay

Origins with ≥ 100 flights · sorted by avg departure delay

Avg delay > 50 min

30–50 min

< 30 min

Concentration Analysis

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Worst Routes in Peak Month

Routes with ≥ 30 flights · sorted by avg departure delay · top 15 shown

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Query Ledger — Data Provenance