American Airlines flight AA 4204: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 08:32 Phoenix Sky Harbor (PHX) 4 09:23 San Luis Obispo (SBP)
AA 4204 Non-stop Embraer EMB 175 (E75) 1:51 Effective 2026-01-06 through 2026-02-11
Daily 09:53 San Luis Obispo (SBP) 12:34 Phoenix Sky Harbor (PHX) 4
AA 4204 Non-stop Embraer EMB 175 (E75) 1:41 Effective 2026-01-06 through 2026-02-11
Daily 10:33 Phoenix Sky Harbor (PHX) 4 14:24 Sioux Falls (FSD)
AA 4204 Non-stop Embraer EMB 175 (E75) 2:51 Effective 2026-02-12 through 2026-03-07
Daily 10:46 Phoenix Sky Harbor (PHX) 4 14:39 Sioux Falls (FSD)
AA 4204 Non-stop Embraer EMB 175 (E75) 2:53 Valid until 2026-01-05
Daily 13:45 Phoenix Sky Harbor (PHX) 4 15:12 McClellan-Palomar, San Diego (CLD)
AA 4204 Non-stop Embraer EMB 175 (E75) 1:27 Effective from 2026-04-07
Daily 14:35 Phoenix Sky Harbor (PHX) 4 15:53 McClellan-Palomar, San Diego (CLD)
AA 4204 Non-stop Embraer EMB 175 (E75) 1:18 Effective 2026-03-08 through 2026-04-06
Daily 14:56 Sioux Falls (FSD) 17:04 Phoenix Sky Harbor (PHX) 4
AA 4204 Non-stop Embraer EMB 175 (E75) 3:08 Effective 2026-02-12 through 2026-03-07
Daily 15:09 Sioux Falls (FSD) 17:05 Phoenix Sky Harbor (PHX) 4
AA 4204 Non-stop Embraer EMB 175 (E75) 2:56 Valid until 2026-01-05
Daily 16:00 McClellan-Palomar, San Diego (CLD) 17:19 Phoenix Sky Harbor (PHX) 4
AA 4204 Non-stop Embraer EMB 175 (E75) 1:19 Effective from 2026-04-07
Daily 16:58 McClellan-Palomar, San Diego (CLD) 18:21 Phoenix Sky Harbor (PHX) 4
AA 4204 Non-stop Embraer EMB 175 (E75) 1:23 Effective 2026-03-08 through 2026-04-06
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This flight number is listed as serving the following routes:


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American Airlines flight AA 4204: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA4204
08:32
Phoenix Sky Harbor (PHX) 4

09:23
San Luis Obispo (SBP)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:51, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4204
09:53
San Luis Obispo (SBP)

12:34
Phoenix Sky Harbor (PHX) 4
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:41, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4204
10:33
Phoenix Sky Harbor (PHX) 4

14:24
Sioux Falls (FSD)
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:51, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4204
10:46
Phoenix Sky Harbor (PHX) 4

14:39
Sioux Falls (FSD)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:53, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4204
13:45
Phoenix Sky Harbor (PHX) 4

15:12
McClellan-Palomar, San Diego (CLD)
Effective from 2026-04-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:27, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4204
14:35
Phoenix Sky Harbor (PHX) 4

15:53
McClellan-Palomar, San Diego (CLD)
Effective 2026-03-08 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:18, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4204
14:56
Sioux Falls (FSD)

17:04
Phoenix Sky Harbor (PHX) 4
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:08, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4204
15:09
Sioux Falls (FSD)

17:05
Phoenix Sky Harbor (PHX) 4
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:56, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4204
16:00
McClellan-Palomar, San Diego (CLD)

17:19
Phoenix Sky Harbor (PHX) 4
Effective from 2026-04-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:19, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4204
16:58
McClellan-Palomar, San Diego (CLD)

18:21
Phoenix Sky Harbor (PHX) 4
Effective 2026-03-08 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:23, non-stop
Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
  • Phoenix Sky Harbor (PHX) - McClellan-Palomar, San Diego (CLD)
  • Phoenix Sky Harbor (PHX) - San Luis Obispo (SBP)
  • Phoenix Sky Harbor (PHX) - Sioux Falls (FSD)
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