American Airlines flight AA 3740: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 08:00 Chicago O'Hare (ORD) 3 10:59 Harrisburg (MDT)
AA 3740 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:59 Effective 2026-04-07 through 2026-05-20
Sat 08:42 Dallas Fort Worth (DFW) 11:52 Acapulco (ACA)
AA 3740 Non-stop Embraer EMB 175 (E75) 3:10 Effective 2026-01-10 through 2026-02-07
Wed 09:29 Dallas Fort Worth (DFW) 12:41 Acapulco (ACA)
AA 3740 Non-stop Embraer EMB 175 (E75) 3:12 Effective 2026-01-07 through 2026-02-11
Wed,Sat 10:05 Dallas Fort Worth (DFW) 13:15 Acapulco (ACA)
AA 3740 Non-stop Embraer EMB 175 (E75) 3:10 Effective 2026-02-14 through 2026-03-07
Wed,Sat 10:10 Dallas Fort Worth (DFW) 12:19 Acapulco (ACA)
AA 3740 Non-stop Embraer EMB 175 (E75) 3:09 Effective 2026-03-11 through 2026-04-04
Daily 11:13 Harrisburg (MDT) 12:40 Chicago O'Hare (ORD) 3
AA 3740 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:27 Effective 2026-04-07 through 2026-05-20
Sat 12:26 Rochester (ROC) 13:39 Chicago O'Hare (ORD) 3
AA 3740 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:13 Operates only on 2026-01-03
Mon-Fri,Sun 12:27 Rochester (ROC) 13:40 Chicago O'Hare (ORD) 3
AA 3740 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:13 Valid until 2026-01-05
Sat 12:32 Acapulco (ACA) 15:35 Dallas Fort Worth (DFW) D
AA 3740 Non-stop Embraer EMB 175 (E75) 3:03 Effective 2026-01-10 through 2026-02-07
Wed,Sat 13:05 Acapulco (ACA) 17:25 Dallas Fort Worth (DFW) D
AA 3740 Non-stop Embraer EMB 175 (E75) 3:20 Effective 2026-03-11 through 2026-04-04
Wed,Sat 14:10 Acapulco (ACA) 17:16 Dallas Fort Worth (DFW) D
AA 3740 Non-stop Embraer EMB 175 (E75) 3:06 Effective 2026-02-14 through 2026-03-07
Wed 14:12 Acapulco (ACA) 17:15 Dallas Fort Worth (DFW) D
AA 3740 Non-stop Embraer EMB 175 (E75) 3:03 Effective 2026-01-07 through 2026-02-11
Daily 14:40 Dallas Fort Worth (DFW) 15:42 Oklahoma City (OKC)
AA 3740 Non-stop Embraer EMB 175 (E75) 1:02 Effective 2026-07-02 through 2026-08-04
Daily 16:40 Chicago O'Hare (ORD) 3 17:37 Peoria (PIA)
AA 3740 Non-stop Embraer EMB 170 / EMB 175 (E70) 0:57 Effective 2026-05-21 through 2026-07-01
Daily 16:45 Oklahoma City (OKC) 17:50 Dallas Fort Worth (DFW)
AA 3740 Non-stop Embraer EMB 175 (E75) 1:05 Effective 2026-07-02 through 2026-08-04
Daily 18:34 Peoria (PIA) 19:50 Chicago O'Hare (ORD) 3
AA 3740 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:16 Effective 2026-05-21 through 2026-07-01
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This flight number is listed as serving the following routes:


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American Airlines flight AA 3740: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA3740
08:00
Chicago O'Hare (ORD) 3

10:59
Harrisburg (MDT)
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:59, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3740
08:42
Dallas Fort Worth (DFW)

11:52
Acapulco (ACA)
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:10, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3740
09:29
Dallas Fort Worth (DFW)

12:41
Acapulco (ACA)
Effective 2026-01-07 through 2026-02-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:12, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3740
10:05
Dallas Fort Worth (DFW)

13:15
Acapulco (ACA)
Effective 2026-02-14 through 2026-03-07
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:10, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3740
10:10
Dallas Fort Worth (DFW)

12:19
Acapulco (ACA)
Effective 2026-03-11 through 2026-04-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:09, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3740
11:13
Harrisburg (MDT)

12:40
Chicago O'Hare (ORD) 3
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:27, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3740
12:26
Rochester (ROC)

13:39
Chicago O'Hare (ORD) 3
Operates only on 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:13, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3740
12:27
Rochester (ROC)

13:40
Chicago O'Hare (ORD) 3
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:13, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3740
12:32
Acapulco (ACA)

15:35
Dallas Fort Worth (DFW) D
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:03, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3740
13:05
Acapulco (ACA)

17:25
Dallas Fort Worth (DFW) D
Effective 2026-03-11 through 2026-04-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:20, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3740
14:10
Acapulco (ACA)

17:16
Dallas Fort Worth (DFW) D
Effective 2026-02-14 through 2026-03-07
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:06, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3740
14:12
Acapulco (ACA)

17:15
Dallas Fort Worth (DFW) D
Effective 2026-01-07 through 2026-02-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:03, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3740
14:40
Dallas Fort Worth (DFW)

15:42
Oklahoma City (OKC)
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:02, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3740
16:40
Chicago O'Hare (ORD) 3

17:37
Peoria (PIA)
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:57, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3740
16:45
Oklahoma City (OKC)

17:50
Dallas Fort Worth (DFW)
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:05, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3740
18:34
Peoria (PIA)

19:50
Chicago O'Hare (ORD) 3
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:16, non-stop
Embraer EMB 170 / EMB 175 (E70)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Peoria (PIA)
  • Dallas Fort Worth (DFW) - Acapulco (ACA)
  • Harrisburg (MDT) - Chicago O'Hare (ORD)
  • Oklahoma City (OKC) - Dallas Fort Worth (DFW)
  • Rochester (ROC) - Chicago O'Hare (ORD)
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