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Departure Delays Analysis

Average Departure Delay: 21.18 min

Percentage of Flights Departing Late: 49.61%

Distribution of Departure Delays

Critical Ground Time

Flights with Critical/Low Ground Time: 652 (8.1%)

Flights with Critical Ground Time

Baggage Transfer Ratio

Average Transfer Bags / Total Bags Ratio: 0.74

Transfer Bags / Total Bags Ratio

Passenger Load vs Delay

Correlation: 0.02

Passenger Load vs Departure Delay

Special Service Requests vs Delay

Correlation: -0.08

Special Service Requests vs Delay per Passenger
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Post-Analysis Insights
Primary Drivers of Flight Difficulty

Primary Drivers of Flight Difficulty

Correlation of Features with Difficulty Score: departure_delay_minutes (0.10) > load_factor (0.08) > ssr_count (0.02) > transfer_ratio (0.00)

  • TOP DIFFICULT DESTINATIONS
    LHR, HND, SFO, SEA, IAD → highest operational difficulty.
    Mostly long-haul international and busy domestic hubs with complex turnaround ops.
  • MAJOR PATTERNS
    Delays → High Load correlation → dual pressure on teams.
    International routes show higher difficulty (ground time + baggage + SSRs).
    More transfer bags/SSRs → higher operational coordination effort.
  • ACTIONABLE INSIGHTS
    Delays → Add buffer turnaround time, backup crew.
    Load Factor → Strengthen boarding & check-in staff.
    Transfer Bags → Assign extra baggage handlers.
    SSRs → Dedicated staff for assistance services.
    Difficult Destinations → Pre-boarding checks, contingency planning.