United vs Southwest Baggage Policy 2026
Southwest includes 2 free checked bags for all passengers — no status, no credit card required. United charges $35 for the first bag.
| Item | United (UA) | Southwest (WN) |
|---|---|---|
| Carry-On Size | 22×14×9 in | 24×16×10 in |
| Carry-On Fee | Free (Economy+) | Free (all fares) |
| 1st Checked Bag | $35 | ✓ FREE |
| 2nd Checked Bag | $45 | ✓ FREE |
| Overweight (51–70 lbs) | $100 | $75 |
Verdict: If you're checking bags, Southwest saves you $70+ per round trip over United — without needing a credit card or status.
Full policies: United baggage policy · Southwest baggage policy
Related: Carry-On Checker · Flight Lookup