All airlines flying from Ontario, Los Angeles (ONT) to Seattle-Tacoma (SEA).
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| FLIGHT SCHEDULE |
|---|
| Direct Codeshare Flights: |
| Daily
06:00
Ontario, Los Angeles (ONT) 2
08:42
Seattle-Tacoma (SEA) JAL JL 6389 Non-stop Boeing 737 MAX 9 (7M9) 2:42 Effective 2025-08-10 through 2025-08-18 Codeshare flight, operated by Alaska Airlines.(AS 1091) |
| Tue
06:00
Ontario, Los Angeles (ONT) 2
08:42
Seattle-Tacoma (SEA) JAL JL 6389 Non-stop Boeing 737-800 (73H) 2:42 Operates only on 2025-08-19 Codeshare flight, operated by Alaska Airlines.(AS 1091) |
| Daily
06:00
Ontario, Los Angeles (ONT) 2
08:48
Seattle-Tacoma (SEA) JAL JL 6389 Non-stop Boeing 737 (73J) 2:48 Effective 2025-08-20 through 2025-10-03 Codeshare flight, operated by Alaska Airlines.(AS 1091) |
| Daily
06:00
Ontario, Los Angeles (ONT) 2
08:50
Seattle-Tacoma (SEA) JAL JL 6389 Non-stop Boeing 737 (73J) 2:50 Effective from 2025-10-04 Codeshare flight, operated by Alaska Airlines.(AS 1091) |
| Thu
06:00
Ontario, Los Angeles (ONT) 2
08:55
Seattle-Tacoma (SEA) WestJet WS 6909 Non-stop Embraer EMB 175 (E7W) 2:55 Effective 2025-05-08 through 2025-05-22 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Mon
11:44
Ontario, Los Angeles (ONT) 2
14:45
Seattle-Tacoma (SEA) WestJet WS 6910 Non-stop Embraer EMB 175 (E7W) 3:01 Effective 2025-05-12 through 2025-05-19 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Mon
11:45
Ontario, Los Angeles (ONT) 2
14:40
Seattle-Tacoma (SEA) WestJet WS 6910 Non-stop Embraer EMB 175 (E7W) 2:55 Operates only on 2025-05-05 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Daily
05:45
Ontario, Los Angeles (ONT) 2
08:42
Seattle-Tacoma (SEA) KLM KL 6919 Non-stop Embraer EMB 175 (E7W) 2:57 Valid until 2025-05-06 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Daily
06:00
Ontario, Los Angeles (ONT) 2
08:55
Seattle-Tacoma (SEA) KLM KL 6919 Non-stop Embraer EMB 175 (E7W) 2:55 Effective 2025-05-07 through 2025-06-07 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Daily
06:30
Ontario, Los Angeles (ONT) 2
09:28
Seattle-Tacoma (SEA) KLM KL 6919 Non-stop Embraer EMB 175 (E7W) 2:58 Effective 2025-06-08 through 2025-07-06 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Daily
07:00
Ontario, Los Angeles (ONT) 2
09:49
Seattle-Tacoma (SEA) KLM KL 6919 Non-stop Embraer EMB 175 (E7W) 2:49 Effective 2025-07-07 through 2025-09-07 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Daily
07:00
Ontario, Los Angeles (ONT) 2
10:02
Seattle-Tacoma (SEA) KLM KL 6919 Non-stop Embraer EMB 175 (E7W) 3:02 Effective 2025-09-08 through 2025-10-25 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Daily
07:00
Ontario, Los Angeles (ONT) 2
10:02
Seattle-Tacoma (SEA) WestJet WS 6921 Non-stop Embraer EMB 175 (E7W) 3:02 Effective 2025-12-20 through 2026-01-05 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Daily
07:00
Ontario, Los Angeles (ONT) 2
10:04
Seattle-Tacoma (SEA) WestJet WS 6921 Non-stop Embraer EMB 175 (E7W) 3:04 Effective from 2026-01-06 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Thu-Sun
11:29
Ontario, Los Angeles (ONT) 2
14:13
Seattle-Tacoma (SEA) WestJet WS 7098 Non-stop Embraer EMB 175 (E7W) 2:44 Effective 2025-09-04 through 2025-09-07 Codeshare flight, operated by Delta Air Lines.(DL 3589) |
| Daily
11:29
Ontario, Los Angeles (ONT) 2
14:28
Seattle-Tacoma (SEA) KLM KL 7595 Non-stop Embraer EMB 175 (E7W) 2:59 Effective 2025-09-08 through 2025-10-25 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Daily
11:44
Ontario, Los Angeles (ONT) 2
14:45
Seattle-Tacoma (SEA) KLM KL 7595 Non-stop Embraer EMB 175 (E7W) 3:01 Effective 2025-05-07 through 2025-05-25 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Daily
11:44
Ontario, Los Angeles (ONT) 2
14:45
Seattle-Tacoma (SEA) KLM KL 7595 Non-stop Embraer EMB 175 (E7W) 3:01 Effective 2025-05-27 through 2025-06-07 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Daily
11:45
Ontario, Los Angeles (ONT) 2
14:40
Seattle-Tacoma (SEA) KLM KL 7595 Non-stop Embraer EMB 175 (E7W) 2:55 Valid until 2025-05-06 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Mon
11:46
Ontario, Los Angeles (ONT) 2
14:45
Seattle-Tacoma (SEA) KLM KL 7595 Non-stop Embraer EMB 175 (E7W) 2:59 Operates only on 2025-05-26 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Fri
06:00
Ontario, Los Angeles (ONT) 2
08:55
Seattle-Tacoma (SEA) WestJet WS 7710 Non-stop Embraer EMB 175 (E7W) 2:55 Effective 2025-05-09 through 2025-05-16 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Fri
11:44
Ontario, Los Angeles (ONT) 2
14:45
Seattle-Tacoma (SEA) WestJet WS 7785 Non-stop Embraer EMB 175 (E7W) 3:01 Effective 2025-05-09 through 2025-05-16 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Sun
11:45
Ontario, Los Angeles (ONT) 2
14:40
Seattle-Tacoma (SEA) WestJet WS 7844 Non-stop Embraer EMB 175 (E7W) 2:55 Operates only on 2025-05-04 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Sun
06:00
Ontario, Los Angeles (ONT) 2
08:55
Seattle-Tacoma (SEA) WestJet WS 7849 Non-stop Embraer EMB 175 (E7W) 2:55 Operates only on 2025-05-18 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Daily
11:05
Ontario, Los Angeles (ONT) 2
14:02
Seattle-Tacoma (SEA) KLM KL 7851 Non-stop Embraer EMB 175 (E7W) 2:57 Effective 2025-06-08 through 2025-07-06 Codeshare flight, operated by Delta Air Lines.(DL 3593) |
| Daily
11:29
Ontario, Los Angeles (ONT) 2
14:19
Seattle-Tacoma (SEA) KLM KL 7851 Non-stop Embraer EMB 175 (E7W) 2:50 Effective 2025-07-07 through 2025-08-10 Codeshare flight, operated by Delta Air Lines.(DL 3593) |
| Daily
14:00
Ontario, Los Angeles (ONT) 2
16:57
Seattle-Tacoma (SEA) KLM KL 7851 Non-stop Embraer EMB 175 (E7W) 2:57 Effective 2025-09-08 through 2025-10-24 Codeshare flight, operated by Delta Air Lines.(DL 3946) |
| Mon-Fri,Sun
14:35
Ontario, Los Angeles (ONT) 2
17:25
Seattle-Tacoma (SEA) KLM KL 7851 Non-stop Embraer EMB 175 (E7W) 2:50 Valid until 2025-05-06 Codeshare flight, operated by Delta Air Lines.(DL 3946) |
| Sat
14:35
Ontario, Los Angeles (ONT) 2
17:27
Seattle-Tacoma (SEA) KLM KL 7851 Non-stop Embraer EMB 175 (E7W) 2:52 Valid until 2025-05-03 Codeshare flight, operated by Delta Air Lines.(DL 3946) |
| Sun
11:44
Ontario, Los Angeles (ONT) 2
14:45
Seattle-Tacoma (SEA) WestJet WS 7882 Non-stop Embraer EMB 175 (E7W) 3:01 Effective 2025-05-11 through 2025-05-18 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Sat
06:00
Ontario, Los Angeles (ONT) 2
08:55
Seattle-Tacoma (SEA) WestJet WS 7898 Non-stop Embraer EMB 175 (E7W) 2:55 Effective 2025-05-10 through 2025-05-17 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Wed-Sun
06:00
Ontario, Los Angeles (ONT) 2
08:55
Seattle-Tacoma (SEA) WestJet WS 7902 Non-stop Embraer EMB 175 (E7W) 2:55 Effective 2025-05-23 through 2025-06-07 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Mon-Thu,Sat,Sun
06:30
Ontario, Los Angeles (ONT) 2
09:28
Seattle-Tacoma (SEA) WestJet WS 7902 Non-stop Embraer EMB 175 (E7W) 2:58 Effective 2025-06-08 through 2025-06-14 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Tue
06:30
Ontario, Los Angeles (ONT) 2
09:28
Seattle-Tacoma (SEA) WestJet WS 7902 Non-stop Embraer EMB 175 (E7W) 2:58 Operates only on 2025-06-17 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Mon,Sun
11:05
Ontario, Los Angeles (ONT) 2
14:02
Seattle-Tacoma (SEA) WestJet WS 7904 Non-stop Embraer EMB 175 (E7W) 2:57 Effective 2025-06-08 through 2025-06-09 Codeshare flight, operated by Delta Air Lines.(DL 3593) |
| Fri,Sun
11:44
Ontario, Los Angeles (ONT) 2
14:45
Seattle-Tacoma (SEA) WestJet WS 7904 Non-stop Embraer EMB 175 (E7W) 3:01 Effective 2025-05-23 through 2025-06-01 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Mon,Fri
11:44
Ontario, Los Angeles (ONT) 2
14:45
Seattle-Tacoma (SEA) WestJet WS 7904 Non-stop Embraer EMB 175 (E7W) 3:01 Effective 2025-06-02 through 2025-06-06 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Mon
11:46
Ontario, Los Angeles (ONT) 2
14:45
Seattle-Tacoma (SEA) WestJet WS 7904 Non-stop Embraer EMB 175 (E7W) 2:59 Operates only on 2025-05-26 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Mon,Wed-Fri,Sun
06:30
Ontario, Los Angeles (ONT) 2
09:28
Seattle-Tacoma (SEA) WestJet WS 7943 Non-stop Embraer EMB 175 (E7W) 2:58 Effective 2025-06-13 through 2025-06-19 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Sat
06:30
Ontario, Los Angeles (ONT) 2
09:28
Seattle-Tacoma (SEA) WestJet WS 7943 Non-stop Embraer EMB 175 (E7W) 2:58 Operates only on 2025-06-21 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Mon,Fri,Sun
11:05
Ontario, Los Angeles (ONT) 2
14:02
Seattle-Tacoma (SEA) WestJet WS 7944 Non-stop Embraer EMB 175 (E7W) 2:57 Effective 2025-06-13 through 2025-06-16 Codeshare flight, operated by Delta Air Lines.(DL 3593) |
| Mon-Thu,Sat,Sun
14:35
Ontario, Los Angeles (ONT) 2
17:30
Seattle-Tacoma (SEA) WestJet WS 8142 Non-stop Embraer EMB 175 (E7W) 2:55 Effective 2025-06-29 through 2025-07-06 Codeshare flight, operated by Delta Air Lines.(DL 3589) |
| Mon-Thu,Sat
14:38
Ontario, Los Angeles (ONT) 2
17:22
Seattle-Tacoma (SEA) WestJet WS 8142 Non-stop Embraer EMB 175 (E7W) 2:44 Effective 2025-07-07 through 2025-07-12 Codeshare flight, operated by Delta Air Lines.(DL 3589) |
| Fri
14:55
Ontario, Los Angeles (ONT) 2
17:50
Seattle-Tacoma (SEA) WestJet WS 8142 Non-stop Embraer EMB 175 (E7W) 2:55 Operates only on 2025-07-04 Codeshare flight, operated by Delta Air Lines.(DL 3589) |
| Mon-Fri,Sun
06:30
Ontario, Los Angeles (ONT) 2
09:28
Seattle-Tacoma (SEA) WestJet WS 8146 Non-stop Embraer EMB 175 (E7W) 2:58 Effective 2025-06-20 through 2025-06-27 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Daily
06:30
Ontario, Los Angeles (ONT) 2
09:28
Seattle-Tacoma (SEA) WestJet WS 8146 Non-stop Embraer EMB 175 (E7W) 2:58 Effective 2025-06-28 through 2025-07-06 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Daily
07:00
Ontario, Los Angeles (ONT) 2
09:49
Seattle-Tacoma (SEA) WestJet WS 8146 Non-stop Embraer EMB 175 (E7W) 2:49 Effective 2025-07-07 through 2025-07-17 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Wed,Thu,Sat,Sun
07:00
Ontario, Los Angeles (ONT) 2
09:49
Seattle-Tacoma (SEA) WestJet WS 8146 Non-stop Embraer EMB 175 (E7W) 2:49 Effective 2025-07-19 through 2025-07-26 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Wed
07:00
Ontario, Los Angeles (ONT) 2
09:49
Seattle-Tacoma (SEA) WestJet WS 8146 Non-stop Embraer EMB 175 (E7W) 2:49 Operates only on 2025-07-30 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Mon,Thu,Fri,Sun
11:05
Ontario, Los Angeles (ONT) 2
14:02
Seattle-Tacoma (SEA) WestJet WS 8152 Non-stop Embraer EMB 175 (E7W) 2:57 Effective 2025-06-20 through 2025-07-06 Codeshare flight, operated by Delta Air Lines.(DL 3593) |
Ad flat here 8924483383 I FlightInfo Lower
Parallax here ONT-SEA
- A domestic route departing from the Ontario, Los Angeles airport (ONT) and arriving at Seattle-Tacoma airport (SEA).
- The flight distance is 956 miles, or 1539 km.
- The timezone of both the departure and the arrival airports is UTC-8 . Current time at both airports is (loading...).
- For direct flights, the flight time varies between 2:36 and 3:04.
