Does the Osprey Daylite Plus 20 fit Allegiant's carry-on bag limit?
Yes. The Osprey Daylite Plus 20 is within the Allegiant carry-on bag limit of 22 × 16 × 10 in (55 × 40 × 25 cm) on every side: height +3.1 in, width +5.0 in, depth +0.6 in.
Allegiant limit 22 × 16 × 10 in (55 × 40 × 25 cm) · Allegiant baggage page, checked 2026-10-26Osprey Daylite Plus 20 48 × 28 × 24 cm (18.9 × 11.02 × 9.45 in) · maker’s page
Osprey Daylite Plus 20 in the Allegiant sizer
Allegiant · Personal item
Osprey Daylite Plus 20
Too bigNo. The Osprey Daylite Plus 20 is larger than the Allegiant personal item limit of 18 × 14 × 8 in (45 × 35 × 20 cm) in height and depth: height −0.9 in, width +3.0 in, depth −1.4 in.
LimitBagRoomHeight, in1818.9−0.9 inWidth, in1411+3.0 inDepth, in89.5−1.4 inWeight, kgnone0.585—
Must fit completely under the seat.
Other bags for Allegiant
| Bag | Verdict |
|---|---|
| Osprey Farpoint 40 | Fits |
| Osprey Fairview 40 | Fits |
| Cotopaxi Allpa 35L | Fits |
| Aer Travel Pack 3 | Fits |
| Tortuga Pro Backpack 40L | Fits |
Daylite Plus 20 on other airlines
| Airline | Verdict |
|---|---|
| Delta | Fits if not packed full |
| United | Fits if not packed full |
| American | Fits if not packed full |
| Southwest | Fits |
| JetBlue | Fits if not packed full |
| Spirit | Fits |
| Frontier | Fits |
| Ryanair | Too big |
Questions
Is the Osprey Daylite Plus 20 allowed as Allegiant carry-on bag?
Yes. The Osprey Daylite Plus 20 is within the Allegiant carry-on bag limit of 22 × 16 × 10 in (55 × 40 × 25 cm) on every side: height +3.1 in, width +5.0 in, depth +0.6 in.
Is the Osprey Daylite Plus 20 allowed as Allegiant personal item?
No. The Osprey Daylite Plus 20 is larger than the Allegiant personal item limit of 18 × 14 × 8 in (45 × 35 × 20 cm) in height and depth: height −0.9 in, width +3.0 in, depth −1.4 in.