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Delta Air Lines, Inc.

DALNYSEAir Transportation, ScheduledFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Oct 9, 2026Score 10/3012% above fair value
$83.42+3.27 (+4.08%)

Close on Nov 2, 2026Market cap $54.86BP/E 16.7Yield 0.81%

Delta Air Lines Delta Mainline (DL) by Month

Delta Mainline (DL) — Domestic ASM (million miles) (M)

AnnualMonthly

Delta Air Lines Delta Mainline (DL): 15,160M in Jul 2026, down 1.2% from a year earlier.

Latest, Jul 2026
15,160
Period ended Jul 31, 2026
Change on a year earlier
-1.2%
15,340 in Jul 2025
History
103 months
Since Jan 2018
Sources
1
U.S. DOT / BTS TranStats T-100 — Delta Air Lines (Carrier DL)

Where the Jul 2026 figure comes from

Source: U.S. DOT / BTS TranStats T-100 — Delta Air Lines (Carrier DL) ↗

Monthly history

Hover a value to see the sentence it was read from; calculated values show their formula

PeriodEndedDelta Mainline (DL) — Domestic ASM (million miles) (M)Year on yearSource
Jul 2026Jul 31, 202615,160-1.2%U.S. DOT / BTS TranStats T-100 — Delta Air Lines (Carrier DL) ↗
Jun 2026Jun 30, 202614,743-0.8%U.S. DOT / BTS TranStats T-100 — Delta Air Lines (Carrier DL) ↗
May 2026May 31, 202615,046+2.0%U.S. DOT / BTS TranStats T-100 — Delta Air Lines (Carrier DL) ↗
Apr 2026Apr 30, 202614,530+3.3%U.S. DOT / BTS TranStats T-100 — Delta Air Lines (Carrier DL) ↗
Mar 2026Mar 31, 202614,260+0.1%U.S. DOT / BTS TranStats T-100 — Delta Air Lines (Carrier DL) ↗
Feb 2026Feb 28, 202612,165+2.0%U.S. DOT / BTS TranStats T-100 — Delta Air Lines (Carrier DL) ↗
Jan 2026Jan 31, 202613,035+2.2%U.S. DOT / BTS TranStats T-100 — Delta Air Lines (Carrier DL) ↗
Dec 2025Dec 31, 202514,063-1.4%U.S. DOT / BTS TranStats T-100 — Delta Air Lines (Carrier DL) ↗
Nov 2025Nov 30, 202513,750+0.8%U.S. DOT / BTS TranStats T-100 — Delta Air Lines (Carrier DL) ↗
Oct 2025Oct 31, 202514,555+1.5%U.S. DOT / BTS TranStats T-100 — Delta Air Lines (Carrier DL) ↗
Sep 2025Sep 30, 202513,805-0.2%U.S. DOT / BTS TranStats T-100 — Delta Air Lines (Carrier DL) ↗
Aug 2025Aug 31, 202514,806+0.1%U.S. DOT / BTS TranStats T-100 — Delta Air Lines (Carrier DL) ↗
Jul 2025Jul 31, 202515,340+7.4%U.S. DOT / BTS TranStats T-100 — Delta Air Lines (Carrier DL) ↗
Jun 2025Jun 30, 202514,868+1.9%U.S. DOT / BTS TranStats T-100 — Delta Air Lines (Carrier DL) ↗
May 2025May 31, 202514,751+3.1%U.S. DOT / BTS TranStats T-100 — Delta Air Lines (Carrier DL) ↗
Apr 2025Apr 30, 202514,059+4.2%U.S. DOT / BTS TranStats T-100 — Delta Air Lines (Carrier DL) ↗

Cite this data

StockData. (2026). Delta Air Lines Delta Mainline (DL) (M), monthly Jan 2018–Jul 2026 [Data set]. Compiled from Delta Air Lines SEC filings and investor materials. https://stockdatahq.com/stocks/dal/kpis/bts-dl-asm-domestic

See every metric in the Delta Air Lines KPI table. Data updated Nov 1, 2026.