NP-SP-01 · Seasonal Schedule Construction

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Process Flow Diagram (BPMN)

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L4 Process Steps

Step	Step Name	Role / Swim Lane	System	Input	Output	KPI	Dec?	Exc?
Phase 1 1.1	Collect Market Demand Signals	Network Analyst	Amadeus SkyCAST	Historical booking data, OAG traffic stats, O&D demand reports	Demand signal matrix by market/season	Forecast accuracy ≥92%	N	N
1.2	Benchmark Competitor Schedules	Network Analyst	OAG Schedule Analyser	Competitor SSIM files, OAG flight data	Competitive gap analysis by route	Coverage gap identified per route <5%	N	N
1.3	Review Prior-Season Performance	Senior Network Planner	Amadeus SkySYM	Prior PDEW actuals, load factor by flight, revenue per ASM	Season performance scorecard	Load factor target ≥83%, yield degradation <2%	Y	N
Phase 2 2.1	Define Season Boundary Dates	Network Planning Manager	Amadeus SkyWORKS	IATA season schedule, slot deadlines, bank holiday calendars	Season start/end dates + IATA submission calendar	On-time IATA SSIM submission 100%	N	N
2.2	Build Draft Flight Schedule	Schedule Planner	Amadeus SkyWORKS	Demand matrix, fleet availability plan, crew contract minimums	Draft SSIM schedule file with estimated utilisation	Aircraft utilisation ≥13 block hours/day	N	N
2.3	Run Network Simulation	Network Analyst	Amadeus SkySYM	Draft SSIM, O&D demand, fare levels	Projected PDEW, RASM, connection flows by scenario	RASM scenario delta <3% vs baseline	Y	N
Phase 3 3.1	Optimise Fleet Assignment	Fleet Planning Analyst	Amadeus SkyMAX	Draft schedule, fleet availability, maintenance windows	Fleet assignment plan: tail type per flight	Fleet conflict rate <1% of rotations	Y	Y
3.2	Validate Crew Legal Compliance	Crew Planning Analyst	Crew Management System (AWS)	Fleet assignment, FAR Part 117 rest rules, union CBA minimums	Crew feasibility report; flagged violations	0 FAR Part 117 violations in final schedule	Y	Y
3.3	Check Gate & Slot Availability	Airport Planning Analyst	Amadeus SkyWORKS + Airport CUTE systems	Draft schedule, airport slot files, gate lease agreements	Gate conflict report; slot confirmation list	Gate conflict resolution rate 100% before publication	Y	N
Phase 4 4.1	Revenue Management Alignment Review	Revenue Management Director	Amadeus NRM	Draft schedule, fare basis files, historical close-in yield data	RM-approved schedule with fare class recommendations	Projected revenue within 2% of RM target per route	Y	N
4.2	Operations Control Sign-Off	VP Network Operations Control	Avtec Scout NOC Console	Draft schedule, turn time analysis, ground time buffers	Ops-approved schedule with buffer recommendations	On-time performance (D0) target ≥75%	Y	N
4.3	Execute Aircraft-Crew Co-location Cross-Check	Network Planning Manager	Crew Management System (AWS) + SkyWORKS	Fleet rotation plan, crew pairing plan	Co-location validation report; flagged mismatches	0 aircraft-crew mismatch at T-0	Y	Y
Phase 5 5.1	Finalise SSIM File	Schedule Planner	Amadeus SkyWORKS	Approved schedule, all sign-offs	Final SSIM file for submission	SSIM validation errors = 0	N	N
5.2	Submit to IATA & Slot Coordinators	Slot Coordinator	IATA CRS + Airport slot portals	Final SSIM file	Confirmed slot portfolio; IATA acknowledgement	100% slot confirmations received before season open	N	Y
5.3	Load Schedule to Altéa PSS	Distribution Systems Analyst	Amadeus Altéa PSS	Final SSIM file	Live schedule in reservations system; bookable inventory open	Schedule load error rate <0.1%	N	Y
5.4	Publish to GDS & Direct Channels	Distribution Systems Analyst	Sabre GDS, Travelport GDS, Amadeus GDS, Southwest.com	Altéa live schedule	Bookable flights live across all channels	GDS availability sync within 4 hours of Altéa load	N	N

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Process Attributes

Identification

Process IDNP-SP-01

L1 DomainNetwork Planning & Scheduling

L2 ProcessSchedule Planning

L3 NameSeasonal Schedule Construction

L4 Steps16 across 5 phases

Decision Gates8 (all with iteration loops)

Exceptions5 documented

Swim Lanes (Roles)

Network Analyst

Senior Network Planner

Network Planning Manager

Schedule Planner

Fleet Planning Analyst

Crew Planning Analyst

Airport Planning Analyst

Revenue Management Director

VP Network Operations Control

Slot Coordinator

Distribution Systems Analyst

Systems & Tools

Amadeus SkyCASTOAG Schedule AnalyserAmadeus SkySYMAmadeus SkyWORKSAmadeus SkyMAXCrew Management System (AWS)Amadeus SkyWORKS + Airport CUTE systemsAmadeus NRMAvtec Scout NOC ConsoleCrew Management System (AWS) + SkyWORKSIATA CRS + Airport slot portalsAmadeus Altéa PSSSabre GDS, Travelport GDS, Amadeus GDS, Southwest.com

Key Performance Indicators

Collect Market Demand SignalsForecast accuracy ≥92%

Benchmark Competitor SchedulesCoverage gap identified per route <5%

Review Prior-Season PerformanceLoad factor target ≥83%, yield degradation <2%

Define Season Boundary DatesOn-time IATA SSIM submission 100%

Build Draft Flight ScheduleAircraft utilisation ≥13 block hours/day

Run Network SimulationRASM scenario delta <3% vs baseline

Optimise Fleet AssignmentFleet conflict rate <1% of rotations

Validate Crew Legal Compliance0 FAR Part 117 violations in final schedule

Airline-Specific Risks & Pain Points

Demand data lags 6-8 weeks; seasonal spikes under-estimated in LF markets

Competitor schedule changes filed late; OAG refresh lag causes stale data

Point-to-point metrics mask connection flow; no codeshare data available

IATA deadlines compress planning window; US holiday variance requires manual overrides

Manual conflict resolution for shared-gate airports; SkyWORKS UI limits batch-edit

Simulation run time 4-6 hours; limits iterative testing cycles in compressed window

Inputs / Outputs

Primary InputHistorical booking data, OAG traffic stats, O&D demand reports

Primary OutputBookable flights live across all channels