Initial commit: Flights iOS app

Flight search app built on FlightConnections.com API data.
Features: airport search with autocomplete, browse by country/state/map,
flight schedules by route and date, multi-airline support with per-airline
schedule loading. Includes 4,561-airport GPS database for map browsing.
Adaptive light/dark mode UI inspired by Flighty.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

api_docs/delta_api.md

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+# Delta Air Lines Mobile API
+
+Extracted from `com.delta.mobile.android` v6.7 (build 24019)
+
+## Base URLs
+
+| Environment | URL |
+|-------------|-----|
+| Production | `https://www.delta.com` |
+| CDN | `https://content.delta.com` |
+| Embed Web | `https://api.delta.com/embedweb` |
+
+## Key Endpoints
+
+### Airport Standby List (ASL)
+```
+POST https://www.delta.com/api/mobile/asl
+```
+**This is the standby/upgrade list endpoint.** Uses `AirportStandbyListRequest` with fields:
+- `departureDate` — flight departure date
+- Request likely includes flight number, origin, destination
+- Returns `AirportUpgradeStandbyModel` with upgrade list and standby list data
+
+### Flight Status
+```
+POST https://www.delta.com/api/mobile/getFlightStatus
+POST https://www.delta.com/api/mobile/getFlightStatusByLeg
+```
+
+### Upgrade Eligibility
+```
+POST https://www.delta.com/api/mobile/getUpgradeEligibilityInfo
+POST https://www.delta.com/api/mobile/purchaseEfirst
+```
+
+### Complimentary Upgrade (from DEX strings)
+```
+/getComplimentaryUpgrade
+/processComplimentaryUpgrade
+/purchaseUpgrade
+```
+
+## All Mobile API Endpoints
+
+| Endpoint | Path |
+|----------|------|
+| **Standby List** | `/api/mobile/asl` |
+| Flight Status | `/api/mobile/getFlightStatus` |
+| Flight Status By Leg | `/api/mobile/getFlightStatusByLeg` |
+| Flight Schedule | `/api/mobile/getFlightSchedule` |
+| Login | `/api/mobile/login` |
+| Logout | `/api/mobile/logout` |
+| Check Login | `/api/mobile/checkLogin` |
+| Get Profile | `/api/mobile/getprofile` |
+| Manage Profile | `/api/mobile/manageProfile` |
+| Get PNR | `/api/mobile/getPnr` |
+| Validate PNR | `/api/mobile/validatePnr` |
+| Dashboard | `/api/mobile/getDashboard` |
+| Check-in | `/api/mobile/checkin` |
+| Seat Map | `/api/mobile/getSeatMap` |
+| Change Seat | `/api/mobile/changeSeat` |
+| Upgrade Eligibility | `/api/mobile/getUpgradeEligibilityInfo` |
+| Purchase E-First | `/api/mobile/purchaseEfirst` |
+| Bag Info | `/api/mobile/getBagInfo` |
+| Add Bags | `/api/mobile/addBags` |
+| Get Bags | `/api/mobile/getBags` |
+| Bag Carousel | `/api/mobile/getBagCarousel` |
+| Weather | `/api/mobile/getWeather` |
+| Account Activity | `/api/mobile/getAcctActivity` |
+| SkyClub Info | `/api/mobile/getSkyclubInfo` |
+| Purchase SkyClub | `/api/mobile/purchaseSkyclub` |
+| Receipts | `/api/mobile/getReceipts` |
+| Email Receipt | `/api/mobile/processEmailReceipt` |
+| Merchandise | `/api/mobile/getMerchandise` |
+| Promotions | `/api/mobile/getPromotions` |
+| Airport Mode | `/api/mobile/getAirportMode` |
+| Passenger Info | `/api/mobile/getPaxInfo` |
+| Manage Passenger | `/api/mobile/managePaxInfo` |
+| Travel Documents | `/api/mobile/getTravelDoc` |
+| Add Travel Doc | `/api/mobile/addTravelDoc` |
+| Emergency Contact | `/api/mobile/addEmergencyContact` |
+| Manage Cart | `/api/mobile/manageCart` |
+| Get Cart | `/api/mobile/getCart` |
+| Clear Cart | `/api/mobile/clearCart` |
+| Eligible FOP | `/api/mobile/getEligibleFop` |
+| SSR | `/api/mobile/getSsr` |
+| Available SSR | `/api/mobile/getAvailableSsr` |
+| Manage SSR | `/api/mobile/manageSsr` |
+| Manage FF | `/api/mobile/manageFF` |
+| Validate Address | `/api/mobile/validateAddress` |
+| Forgot Username | `/api/mobile/forgotUserName` |
+| Country Reference | `/api/mobile/getCountryReferenceData` |
+| Address Fields | `/api/mobile/getAddressFields` |
+| Enroll SkyMiles | `/api/mobile/enrollSM` |
+| Upsell Info | `/api/mobile/getPnrUpsellInfo` |
+| Upsell Fare Rules | `/api/mobile/getUpsellFareRules` |
+| Purchase Upsell | `/api/mobile/purchaseUpsell` |
+| Supported Version | `/api/mobile/supportedVersion` |
+| SkyMiles Info | `/api/mobile/getSMInfo` |
+| SkyMiles Pass | `/api/mobile/getSMPass` |
+| SC Info | `/api/mobile/getSCInfo` |
+| SC Pass | `/api/mobile/getSCPass` |
+| Membership Status | `/api/mobile/getMembershipStatusInfo` |
+| EOD Eligibility | `/api/mobile/getEODEligibility` |
+| Store Password | `/api/mobile/storePassword` |
+| Store Email | `/api/mobile/storeEmail` |
+| Update Password | `/api/mobile/updatePassword` |
+| Security Questions | `/api/mobile/getSecurityQuestions` |
+| Get SQA | `/api/mobile/getSQA` |
+| Store SQA | `/api/mobile/storeSQA` |
+| App Info | `/api/mobile/getinfo` |
+
+## Request Headers (from DEX analysis)
+
+The app uses an `AirlineRequest` pattern with these common headers:
+- `Content-Type: application/json`
+- Custom auth headers (session-based after `/api/mobile/login`)
+
+## ASL Data Model (from DEX class analysis)
+
+### AirportStandbyListRequest
+- `requestInfo` — flight identification
+- `departureDate` — date string
+
+### AirportUpgradeStandbyModel
+Contains:
+- Upgrade list (by cabin class)
+- Standby list
+- `standbyPriority` / `standbyPriorityCode`
+- `upgradeList` entries
+- `ASLStandby` — individual standby entries
+- `ASLUpgrade` — individual upgrade entries  
+- `UpgradeSeatRemaining` — available seats per cabin
+- `PassengerChiclet` — passenger display data
+
+### UpgradeStandbyParams
+- `airportModeResponse`
+- Flight leg details
+- Eligibility flags
+
+## Security Notes
+
+- **No SSL pinning** in `network_security_config.xml` (only trusts system CAs)
+- **No PairIP or anti-tamper** — app runs on emulators
+- Auth is session-based via `/api/mobile/login`
+- The ASL endpoint likely requires an authenticated session
+- No Akamai bot detection observed on the mobile API path
+
+## Next Steps
+
+1. Call `/api/mobile/login` with Delta credentials to get a session
+2. Call `/api/mobile/getFlightStatus` with a flight number
+3. Call `/api/mobile/asl` with the flight details from the status response
+4. The ASL response should contain upgrade and standby lists