Air France flight AF 3721: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 12:50 Philadelphia (PHL) D 14:16 Boston Logan (BOS) A
AF 3721 Non-stop Embraer EMB 175 (E75) 1:26 Effective 2025-12-20 through 2026-01-05
Codeshare flight, operated by Delta Air Lines.(DL 5706)
Mon-Fri,Sun 14:30 Detroit (DTW) M 15:25 Grand Rapids (GRR)
AF 3721 Non-stop Embraer EMB 175 (E7W) 0:55 Effective 2025-06-09 through 2025-07-06
Codeshare flight, operated by Delta Air Lines.(DL 3865)
Sat 14:45 Detroit (DTW) M 15:40 Grand Rapids (GRR)
AF 3721 Non-stop Canadair CRJ 900 (CR9) 0:55 Operates only on 2025-07-05
Codeshare flight, operated by Delta Air Lines.(DL 5053)
Sat 15:15 Baton Rouge (BTR) 17:50 Atlanta (ATL) S
AF 3721 Non-stop Canadair CRJ 900 (CR9) 1:35 Valid until 2025-05-03
Codeshare flight, operated by Delta Air Lines.(DL 4643)
Wed 15:20 Baton Rouge (BTR) 18:03 Atlanta (ATL) S
AF 3721 Non-stop Canadair CRJ 900 (CR9) 1:43 Effective 2025-08-13 through 2025-09-03
Codeshare flight, operated by Delta Air Lines.(DL 5218)
Mon-Fri 17:08 Philadelphia (PHL) D 18:39 Boston Logan (BOS) A
AF 3721 Non-stop Embraer EMB 175 (E75) 1:31 Valid until 2025-05-02
Codeshare flight, operated by Delta Air Lines.(DL 5706)
Mon,Tue,Sun 17:08 Philadelphia (PHL) D 18:39 Boston Logan (BOS) A
AF 3721 Non-stop Embraer EMB 175 (E75) 1:31 Effective 2025-05-04 through 2025-05-06
Codeshare flight, operated by Delta Air Lines.(DL 5706)
Mon-Fri,Sun 17:57 Philadelphia (PHL) D 19:25 Boston Logan (BOS) A
AF 3721 Non-stop Embraer EMB 175 (E75) 1:28 Effective 2025-05-07 through 2025-05-23
Codeshare flight, operated by Delta Air Lines.(DL 5706)
Mon-Fri,Sun 17:57 Philadelphia (PHL) D 19:25 Boston Logan (BOS) A
AF 3721 Non-stop Embraer EMB 175 (E75) 1:28 Effective 2025-05-26 through 2025-06-06
Codeshare flight, operated by Delta Air Lines.(DL 5706)
Daily 17:59 Philadelphia (PHL) D 19:36 Boston Logan (BOS) A
AF 3721 Non-stop Embraer EMB 175 (E75) 1:37 Effective 2025-09-08 through 2025-10-20
Codeshare flight, operated by Delta Air Lines.(DL 5706)
Mon-Thu,Sat,Sun 17:59 Philadelphia (PHL) D 19:36 Boston Logan (BOS) A
AF 3721 Non-stop Embraer EMB 175 (E75) 1:37 Effective 2025-10-23 through 2025-10-30
Codeshare flight, operated by Delta Air Lines.(DL 5706)
Fri,Sat 17:59 Philadelphia (PHL) D 19:36 Boston Logan (BOS) A
AF 3721 Non-stop Embraer EMB 175 (E75) 1:37 Effective 2025-10-31 through 2025-11-01
Codeshare flight, operated by Delta Air Lines.(DL 5706)
Sun 18:00 Detroit (DTW) M 18:57 Grand Rapids (GRR)
AF 3721 Non-stop Canadair CRJ 900 (CR9) 0:57 Operates only on 2025-06-08
Codeshare flight, operated by Delta Air Lines.(DL 4035)
Fri,Sun 19:00 Baton Rouge (BTR) 21:43 Atlanta (ATL) S
AF 3721 Non-stop Boeing 717 (717) 1:43 Effective 2025-07-11 through 2025-08-10
Codeshare flight, operated by Delta Air Lines.(DL 2157)
Fri,Sun 19:00 Baton Rouge (BTR) 21:43 Atlanta (ATL) S
AF 3721 Non-stop Canadair CRJ 900 (CR9) 1:43 Effective 2025-08-15 through 2025-08-29
Codeshare flight, operated by Delta Air Lines.(DL 5218)
Fri 19:00 Baton Rouge (BTR) 21:43 Atlanta (ATL) S
AF 3721 Non-stop Canadair CRJ 900 (CR9) 1:43 Operates only on 2025-09-05
Codeshare flight, operated by Delta Air Lines.(DL 5218)
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This flight number is listed as serving the following routes:


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Air France flight AF 3721: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air France AF3721
12:50
Philadelphia (PHL) D

14:16
Boston Logan (BOS) A
Effective 2025-12-20 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5706)
Duration: 1:26, non-stop
Embraer EMB 175 (E75)
Air France AF3721
14:30
Detroit (DTW) M

15:25
Grand Rapids (GRR)
Effective 2025-06-09 through 2025-07-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3865)
Duration: 0:55, non-stop
Embraer EMB 175 (E7W)
Air France AF3721
14:45
Detroit (DTW) M

15:40
Grand Rapids (GRR)
Operates only on 2025-07-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5053)
Duration: 0:55, non-stop
Canadair CRJ 900 (CR9)
Air France AF3721
15:15
Baton Rouge (BTR)

17:50
Atlanta (ATL) S
Valid until 2025-05-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 4643)
Duration: 1:35, non-stop
Canadair CRJ 900 (CR9)
Air France AF3721
15:20
Baton Rouge (BTR)

18:03
Atlanta (ATL) S
Effective 2025-08-13 through 2025-09-03
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5218)
Duration: 1:43, non-stop
Canadair CRJ 900 (CR9)
Air France AF3721
17:08
Philadelphia (PHL) D

18:39
Boston Logan (BOS) A
Valid until 2025-05-02
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5706)
Duration: 1:31, non-stop
Embraer EMB 175 (E75)
Air France AF3721
17:08
Philadelphia (PHL) D

18:39
Boston Logan (BOS) A
Effective 2025-05-04 through 2025-05-06
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5706)
Duration: 1:31, non-stop
Embraer EMB 175 (E75)
Air France AF3721
17:57
Philadelphia (PHL) D

19:25
Boston Logan (BOS) A
Effective 2025-05-07 through 2025-05-23
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5706)
Duration: 1:28, non-stop
Embraer EMB 175 (E75)
Air France AF3721
17:57
Philadelphia (PHL) D

19:25
Boston Logan (BOS) A
Effective 2025-05-26 through 2025-06-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5706)
Duration: 1:28, non-stop
Embraer EMB 175 (E75)
Air France AF3721
17:59
Philadelphia (PHL) D

19:36
Boston Logan (BOS) A
Effective 2025-09-08 through 2025-10-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5706)
Duration: 1:37, non-stop
Embraer EMB 175 (E75)
Air France AF3721
17:59
Philadelphia (PHL) D

19:36
Boston Logan (BOS) A
Effective 2025-10-23 through 2025-10-30
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5706)
Duration: 1:37, non-stop
Embraer EMB 175 (E75)
Air France AF3721
17:59
Philadelphia (PHL) D

19:36
Boston Logan (BOS) A
Effective 2025-10-31 through 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5706)
Duration: 1:37, non-stop
Embraer EMB 175 (E75)
Air France AF3721
18:00
Detroit (DTW) M

18:57
Grand Rapids (GRR)
Operates only on 2025-06-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4035)
Duration: 0:57, non-stop
Canadair CRJ 900 (CR9)
Air France AF3721
19:00
Baton Rouge (BTR)

21:43
Atlanta (ATL) S
Effective 2025-07-11 through 2025-08-10
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2157)
Duration: 1:43, non-stop
Boeing 717 (717)
Air France AF3721
19:00
Baton Rouge (BTR)

21:43
Atlanta (ATL) S
Effective 2025-08-15 through 2025-08-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5218)
Duration: 1:43, non-stop
Canadair CRJ 900 (CR9)
Air France AF3721
19:00
Baton Rouge (BTR)

21:43
Atlanta (ATL) S
Operates only on 2025-09-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5218)
Duration: 1:43, non-stop
Canadair CRJ 900 (CR9)
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This flight number is listed as serving the following routes:
  • Baton Rouge (BTR) - Atlanta (ATL)
  • Detroit (DTW) - Grand Rapids (GRR)
  • Philadelphia (PHL) - Boston Logan (BOS)
All Air France flights
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