How to Fly with a Service Dog from Colorado
From DEN, COS, GJT, ASE — the same DOT rules apply. Here is exactly what to do at each step.
Get PSD Letter
ESAs No Longer Fly — Service Dogs Do
Since the DOT rule change in January 2021, US airlines treat ESAs as pets. Only ADA service animals — including PSDs — fly in cabin at no charge. If you fly often, a PSD letter may be the right path.
The DOT Service Animal Air Travel Form
Handler & dog identification.
Training attestation — handler signs that dog is trained for tasks.
Behavior attestation — handler signs that dog will behave.
Health attestation — vaccination & rabies status.
Email or upload to airline 48+ hours before departure.
Day-of-Flight Checklist
- Arrive 2 hours early
- Bring printed DOT form (backup)
- Service dog vest (optional but reduces friction)
- Empty bladder before security
- Bring collapsible water bowl
- Carry health certificate (international flights)
- Window seat preferred — bulkhead for larger dogs
Colorado Service Animal Relief Areas
DEN — Denver International
8 indoor & outdoor relief areas, all concourses
COS — Colorado Springs
Pre-security & post-security relief
GJT — Grand Junction
Outdoor pre-security relief
ASE — Aspen
Limited; arrive early
EGE — Eagle/Vail
Outdoor relief area
DRO — Durango
Pre-security only
Air Travel FAQ — Colorado
Can ESAs fly?
No — only service animals since January 2021.
DOT form mandatory?
Yes — most US airlines require it 48 hr pre-flight.
Breed restrictions?
DOT prohibits airline breed bans on service animals.
Multiple service dogs?
DOT allows up to 2 per handler.
International flights?
Additional country-specific paperwork required.