Flying with a dog

Airline pet policies, side by side

The in-cabin rules as each airline publishes them. Every value links to the airline’s own words. When an airline doesn’t publish a number, we say so instead of guessing.

15 airlines · newest check 21 Oct 2026

Check your dog’s carrier

In-cabin pet policies by airline
Airline	In cabin	Carrier maximum	Weight limit	Fee each way	Pets per passenger
Air CanadaAC	Yes	Varies by aircraft	Not published	CA$50	1
Alaska AirlinesAS	Yes	17 × 11 × 9.5 in	Not published	$100	2
Allegiant AirG4	Yes	17 × 11 × 10.5 in	Not published	$50	2
American AirlinesAA	Yes	18 × 11 × 11 in	20 lb (9 kg)	$150	1
Breeze AirwaysMX	Yes	17 × 8 × 13 in	25 lb (11 kg)	$75	1
Delta Air LinesDL	Yes	Not published	Not published	$150	1
Flair AirlinesF8	Yes	16.1 × 9.1 × 9.8 in	23 lb (10 kg)	CA$79	1
Frontier AirlinesF9	Yes	18 × 14 × 8 in	Not published	$149	1
Hawaiian AirlinesHA	Yes	17 × 11 × 9.5 in	Not published	$100	2
JetBlueB6	Yes	17 × 12.5 × 8.5 in	Not published	$150	2
Porter AirlinesPD	Yes	21.5 × 15.5 × 10.5 in	Not published	CA$50	1
Southwest AirlinesWN	Yes	18 × 10.5 × 10 in	Not published	$125	2
Sun Country AirlinesSY	Yes	17 × 12 × 9 in	Not published	$75	1
United AirlinesUA	Yes	18 × 11 × 11 in	Not published	$150	2
WestJetWS	Yes	16 × 10 × 8.5 in	Not published	CA$50	1

Air CanadaAC
In cabin
Yes
Carrier maximum
Varies by aircraft
Weight limit
Not published
Fee each way
CA$50
Pets per passenger
1
Alaska AirlinesAS
In cabin
Yes
Carrier maximum
17 × 11 × 9.5 in
Weight limit
Not published
Fee each way
$100
Pets per passenger
2
Allegiant AirG4
In cabin
Yes
Carrier maximum
17 × 11 × 10.5 in
Weight limit
Not published
Fee each way
$50
Pets per passenger
2
American AirlinesAA
In cabin
Yes
Carrier maximum
18 × 11 × 11 in
Weight limit
20 lb (9 kg)
Fee each way
$150
Pets per passenger
1
Breeze AirwaysMX
In cabin
Yes
Carrier maximum
17 × 8 × 13 in
Weight limit
25 lb (11 kg)
Fee each way
$75
Pets per passenger
1
Delta Air LinesDL
In cabin
Yes
Carrier maximum
Not published
Weight limit
Not published
Fee each way
$150
Pets per passenger
1
Flair AirlinesF8
In cabin
Yes
Carrier maximum
16.1 × 9.1 × 9.8 in
Weight limit
23 lb (10 kg)
Fee each way
CA$79
Pets per passenger
1
Frontier AirlinesF9
In cabin
Yes
Carrier maximum
18 × 14 × 8 in
Weight limit
Not published
Fee each way
$149
Pets per passenger
1
Hawaiian AirlinesHA
In cabin
Yes
Carrier maximum
17 × 11 × 9.5 in
Weight limit
Not published
Fee each way
$100
Pets per passenger
2
JetBlueB6
In cabin
Yes
Carrier maximum
17 × 12.5 × 8.5 in
Weight limit
Not published
Fee each way
$150
Pets per passenger
2
Porter AirlinesPD
In cabin
Yes
Carrier maximum
21.5 × 15.5 × 10.5 in
Weight limit
Not published
Fee each way
CA$50
Pets per passenger
1
Southwest AirlinesWN
In cabin
Yes
Carrier maximum
18 × 10.5 × 10 in
Weight limit
Not published
Fee each way
$125
Pets per passenger
2
Sun Country AirlinesSY
In cabin
Yes
Carrier maximum
17 × 12 × 9 in
Weight limit
Not published
Fee each way
$75
Pets per passenger
1
United AirlinesUA
In cabin
Yes
Carrier maximum
18 × 11 × 11 in
Weight limit
Not published
Fee each way
$150
Pets per passenger
2
WestJetWS
In cabin
Yes
Carrier maximum
16 × 10 × 8.5 in
Weight limit
Not published
Fee each way
CA$50
Pets per passenger
1

“Carrier maximum” is the under-seat size, or the soft-sided carrier size when that’s all the airline gives. Conditions such as routes, seats and taxes are on each airline’s page. The airline decides at the gate, so check your booking.