Can I Fly With This?
Basic Economy is not one thing
Each US airline's "Basic" fare comes with different rules — and the biggest gotcha (no carry-on on United Basic) catches travelers out constantly. Here's all 7 US carriers with a Basic tier, side-by-side, so you know before you book. ULCCs (Spirit, Frontier, Allegiant, Avelo) sell unbundled by default — see the explainer at the bottom.
⚠ The big one: United Basic Economy = personal item ONLY. No full carry-on bag. Show up at the gate with a 22-inch carry-on on a United Basic ticket and you'll pay $65 to gate-check it. Delta and American Basic both let you bring a full carry-on. United is the outlier — and the most common surprise.
| Feature | Delta Basic | United Basic | American Basic | Alaska Saver | JetBlue Blue Basic | Hawaiian Main Basic | Sun Country Standard |
|---|---|---|---|---|---|---|---|
| Full carry-on | ✓ YesStandard 22 × 14 × 9 in | ✗ NoPersonal item only (under-seat). Exception: MileagePlus Premier, Star Alliance Gold, paid premium fares. | ✓ YesStandard 22 × 14 × 9 in | ✓ YesStandard 22 × 14 × 9 in | ✗ NoPersonal item only on most routes. Some transcon allow full carry-on. | ✓ YesStandard 22 × 14 × 9 in; gate-enforced 25 lb weight cap. | $ Paid add-onSun Country sells "Standard" as the lowest fare. Carry-on is a paid extra ($30+ online). |
| Personal item | ✓ Yes | ✓ Yes | ✓ Yes | ✓ Yes | ✓ Yes | ✓ Yes | ✓ Yes |
| Seat selection | $ Paid onlyAuto-assigned at check-in. | $ Paid onlyAuto-assigned at check-in. | $ Paid onlyAuto-assigned at check-in. | $ Paid onlyRandom at check-in if not paid; free for MVP elites. | $ Paid onlyAuto-assigned at check-in. | $ Paid onlyAuto-assigned at check-in. | $ Paid onlySun Country charges per seat; auto-assigned at check-in. |
| Boarding group | Last group (Basic Zone 8) | Last group (Group 5) | Last group (Group 9) | Last group (Group D) | Last group (Group F) | Last group | Last group |
| First checked bag fee | $35 | $40 (+$25 if at airport) | $40 | $35 | $35 | $45 inter-island / $55 mainland | $35–60 (cheaper online) |
| Same-day changes | ✗ Not allowed | ✗ Not allowed | ✗ Not allowed | ✗ Not allowed on Saver | ✗ Not allowed | ✗ Not allowed | $ Fee appliesSun Country allows changes for a fee on Standard fares. |
| Refunds | ✗ Non-refundableExcept DOT-required + 24-hr book window | ✗ Non-refundableExcept DOT-required + 24-hr window | ✗ Non-refundable24-hr window applies | ✗ Non-refundable24-hr window applies | ✗ Non-refundable24-hr window applies | ✗ Non-refundable24-hr window applies | ✗ Non-refundable24-hr window applies |
| Earn miles | ✓ Yes (reduced rate) | ✓ Yes (reduced rate) | ✓ Yes (reduced) | ✓ Yes (reduced) | ✓ Yes (reduced) | ✓ Yes (reduced) | ✓ Yes (Sun Country Rewards) |
| Upgrade eligibility | ✗ No | ✗ No | ✗ No | ✓ YesLast-priority order though. | ✗ No | ✗ No | ✗ NoSun Country doesn't have a premium cabin to upgrade to. |
About ULCCs (Spirit, Frontier, Allegiant, Avelo, Breeze): These airlines don't have "Basic Economy" as a separate fare class — every fare is unbundled by default. You pay for carry-on, checked bags, seat selection, drinks, and changes individually. The "Bare Fare" (Spirit) / "The Works" (Frontier) bundled options add things back in. Treat the ticket price as the start of your cost, not the total. See the personal-item checker for the carry-on trap that costs $99 at the gate.
The gotchas that catch people out
United Basic = no carry-on
This trips up more people than any other rule. United is the only US legacy carrier that restricts Basic Economy to a personal item under the seat. If you fly United Basic with a roller carry-on, you'll pay $65 at the gate to check it. Either book Main Cabin or pack lighter.
"No changes" really means it
All 5 carriers' Basic fares are non-changeable since 2020-2021. If your plans change, you forfeit the ticket. Use the DOT refund-rights tool if the airline causes the disruption — that's the only legal path to a cash refund.
JetBlue Blue Basic gets weirder
JetBlue's policy varies by route — some transcon Basic Basic fares do allow a full carry-on, others don't. Read the fare rules at booking. Mint cabin (premium) is always carry-on inclusive.
Elite status overrides most of this
If you have MileagePlus Premier (United), SkyMiles Diamond/Platinum/Gold (Delta), AAdvantage Gold/Platinum (American), or Alaska MVP, you generally keep carry-on, free seat selection, and priority boarding even on Basic fares. Check the airline's elite-vs-fare matrix.
Family seating: DOT 2023 rule
The DOT 2023 rule requires airlines to seat children under 14 next to a parent at no extra cost, regardless of fare class. If a Basic fare doesn't get free seat selection but you're travelling with a young child, the airline must accommodate — ask at check-in.
Refund on a Main Cabin fare
Confusing: Main Cabin (the tier above Basic) on most US carriers is fully changeable for free since 2021. Only Basic loses that flexibility. Upgrade to Main if the price difference is <$50 and your plans are even slightly fluid.