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STOCK COMPARISON

Tway Air Co vs Delta Air Lines: Fair Value & Quality

Both stocks run through our valuation models. Here is how Tway Air Co (091810) and Delta Air Lines (DAL) compare, as of Sep 18, 2026.

As of Sep 18, 2026, Fair Value Calculator sees Delta Air Lines as the more attractively valued of the two: Tway Air Co trades at KRW 2,630 versus a fair value of KRW 505 (-81%), while Delta Air Lines trades at $79.43 versus $96.56 (+22%).
Tway Air Co
091810.KO · KRW · Industrials
-81%
upside to fair value
overvalued
PriceKRW 2,630
Fair ValueKRW 505
Quality27/100
Delta Air Lines
DAL · USD · Industrials
+22%
upside to fair value
undervalued
Price$79.43
Fair Value$96.56
Quality49/100
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Head-to-head numbers

Green value = the better side for that row (for valuation multiples: lower = cheaper).

Tway Air CoDelta Air Lines
Valuation
P/E (TTM)14.4×
P/S (TTM)0.81×
P/B2.67×
EV/EBITDA8.5×
PEG39.29×
−80.8%Fair value upside+21.6%
0.4%Dividend yield0.9%
Dividend per share$0.78
Profitability
3%Operating margin8%
-439%Return on equity20%
-7%Return on assets4%
Growth
37%Revenue growth (YoY)19%
50.7%Avg. growth/yr (3Y)7.8%
46.2%Avg. growth/yr (5Y)30.0%
Value creation/yr+15.5%
Balance & size
Interest coverage (EBIT/interest)8.6×
0.16×Debt / equity0.60×
$165MMarket cap$55B
mixedGrowth qualityhealthy

Delta Air Lines leads: 3 to 5 metric wins.

Dash = not meaningfully computable, for example with negative equity.

Quality in detail

The quality score, broken down into the same factor families as on the stock page, 0 to 100 per family.

Tway Air Coof which business quality 31 · market factors 25 Delta Air Linesof which business quality 48 · market factors 61
ProfitabilityMargins and returns on capital today
14
52
Quality GrowthAre margins and returns improving?
40
36
CashflowEarnings quality: real cash, not paper profit
44
46
Fin. StrengthBalance sheet, leverage, solvency risk
31
38
InvestmentDisciplined investing over empire-building
65
51
Low VolatilityCalm price path (market factor)
40
43
MomentumPrice trend over the last 3–12 months (market factor)
0
67
52W MomentumDistance to the 52-week high (market factor)
50
71
Net IssuanceShare count: buybacks or dilution?
0
74

What the models say

How far the median fair value (base case) per model family sits from the current price, in percent. The amount in the currency of the trading venue is shown underneath.

above the price, more than 15% above close to the price, 85% to 115% of the price below the price, more than 15% below

Model familyTway Air CoPrice KRW 2,630Delta Air LinesPrice $79.43
DCF Models+220%above the priceKRW 8,412+47%above the price$117
Earnings-Basedn/a-24%below the price$60.01
Dividend Discount-98%below the priceKRW 57-85%below the price$11.58
Multiples+53%above the priceKRW 4,030+68%above the price$134
Asset-Based-97%below the priceKRW 84-73%below the price$21.14
Growth DCF+213%above the priceKRW 8,233+25%above the price$99.27
Economic Profitn/a-2%close to the price$77.60
Growth Earningsn/a+81%above the price$144
Minimum-98%below the priceKRW 57-85%below the price$11.58
Maximum+220%above the priceKRW 8,412+81%above the price$144
Median+53%above the priceKRW 4,030+11%close to the price$88.44
Geometric mean-60%below the priceKRW 1,062-20%below the price$63.20

Minimum, maximum, median and geometric mean refer to the family values in this table. Geometric because deviations are ratios: half the price and twice the price average to 100%, not 125%.

Tway Air Co: 3 of 9 models see the stock below the current price.

Delta Air Lines: 8 of 26 models see the stock below the current price.

Scenario ranges

From our cautious bear scenario to the optimistic bull scenario. The white tick is the current price (value above it), the green tick the fair value (value below it): if the price sits left of the fair value, there is room to rise.

Tway Air Co
Price KRW 2,630
Fair Value KRW 505
Bear KRW 265Bull KRW 707
Delta Air Lines
Price $79.43
Fair Value $96.56
Bear $54.89Bull $136

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Ranked within their sector

Where each stock sits within its sector peer group. Band = middle 50% of peers, tick = median, dot = this stock.

Tway Air Co · Industrials

Quality score27 · bottom 25%
Fair value upside-81% · bottom 25%

Delta Air Lines · Industrials

Quality score49 · below median
Fair value upside+22% · above median

Bottom line

As of Sep 18, 2026, Fair Value Calculator sees Delta Air Lines as the more attractively valued of the two: Tway Air Co trades at KRW 2,630 versus a fair value of KRW 505 (-81%), while Delta Air Lines trades at $79.43 versus $96.56 (+22%).

Delta Air Lines has the higher quality score (49/100).

See the full analysis →

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A model-based valuation snapshot from 26 models. Values change with price and fundamentals; the date shown above applies.