Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001670076-26-000020
Filing Date
2026-02-18
Accepted
2026-02-18 16:09:38
Documents
123
Period of Report
2025-12-31

Document Format Files

Seq Description Document Type Size
1 10-K fron-20251231.htm   iXBRL 10-K 2377466
2 EX-10.17(F) ex1017fbarclays5thamendmen.htm EX-10.17(F) 14315
3 EX-10.22(C) ex1022cfrontierpdp-elevent.htm EX-10.22(C) 1025904
4 EX-10.22(D) ex1022dfft-stepxinagreemen.htm EX-10.22(D) 423867
5 EX-10.24(C) ex1024cfrontierloyalty-ame.htm EX-10.24(C) 45412
6 EX-10.24(D) ex1024dfrontierrcf-increas.htm EX-10.24(D) 41733
7 EX-10.25(A) ex1025afirstamendmenttomsa.htm EX-10.25(A) 20624
8 EX-10.27(F) ex1027fcodeshareamendment5.htm EX-10.27(F) 14876
9 EX-10.37 ex1037frontier2025eetc-tru.htm EX-10.37 551654
10 EX-21.1 ex211listofsubsidiariesq42.htm EX-21.1 4105
11 EX-23.1 ex231consentofindependentr.htm EX-23.1 4109
12 EX-31.1 ex311q42025.htm EX-31.1 8691
13 EX-31.2 ex312q42025.htm EX-31.2 8728
14 EX-32.1 ex321q42025.htm EX-32.1 5219
15 EX-32.2 ex322q42025.htm EX-32.2 5169
21 fron-20251231_g1.jpg GRAPHIC 20548
22 fron-20251231_g2.jpg GRAPHIC 717970
23 fron-20251231_g3.jpg GRAPHIC 90816
24 image_0.jpg GRAPHIC 15478
25 image_0a.jpg GRAPHIC 14502
26 image_1a.jpg GRAPHIC 20487
27 image_2.jpg GRAPHIC 14772
  Complete submission text file 0001670076-26-000020.txt   15110439

Data Files

Seq Description Document Type Size
16 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT fron-20251231.xsd EX-101.SCH 75371
17 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT fron-20251231_cal.xml EX-101.CAL 116114
18 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT fron-20251231_def.xml EX-101.DEF 283347
19 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT fron-20251231_lab.xml EX-101.LAB 869929
20 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT fron-20251231_pre.xml EX-101.PRE 607243
126 EXTRACTED XBRL INSTANCE DOCUMENT fron-20251231_htm.xml XML 1394760
Mailing Address 4545 AIRPORT WAY DENVER CO 80239
Business Address 4545 AIRPORT WAY DENVER CO 80239 (720) 374-4490
Frontier Group Holdings, Inc. (Filer) CIK: 0001670076 (see all company filings)

EIN.: 463681866 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-40304 | Film No.: 26648323
SIC: 4512 Air Transportation, Scheduled
(CF Office: 01 Energy & Transportation)