All airlines flying from Ontario, Los Angeles (ONT) to Seattle-Tacoma (SEA).
| FLIGHT SCHEDULE |
|---|
| Direct Codeshare Flights: |
| Mon,Sun
11:29
Ontario, Los Angeles (ONT) 2
14:19
Seattle-Tacoma (SEA) WestJet WS 7904 Non-stop Embraer EMB 175 (E7W) 2:50 Effective 2025-06-08 through 2025-06-09 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Thu
07:05
Ontario, Los Angeles (ONT) 2
09:55
Seattle-Tacoma (SEA) WestJet WS 7935 Non-stop Embraer EMB 175 (E7W) 2:50 Operates only on 2024-09-05 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Mon,Wed-Fri,Sun
07:00
Ontario, Los Angeles (ONT) 2
09:49
Seattle-Tacoma (SEA) WestJet WS 7943 Non-stop Embraer EMB 175 (E7W) 2:49 Effective 2025-06-13 through 2025-06-19 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Sat
07:00
Ontario, Los Angeles (ONT) 2
09:49
Seattle-Tacoma (SEA) WestJet WS 7943 Non-stop Embraer EMB 175 (E7W) 2:49 Operates only on 2025-06-21 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Mon,Fri,Sun
11:29
Ontario, Los Angeles (ONT) 2
14:19
Seattle-Tacoma (SEA) WestJet WS 7944 Non-stop Embraer EMB 175 (E7W) 2:50 Effective 2025-06-13 through 2025-06-16 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Mon
11:15
Ontario, Los Angeles (ONT) 2
14:05
Seattle-Tacoma (SEA) WestJet WS 7963 Non-stop Embraer EMB 175 (E7W) 2:50 Operates only on 2024-09-30 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Fri
11:49
Ontario, Los Angeles (ONT) 2
14:35
Seattle-Tacoma (SEA) WestJet WS 7963 Non-stop Embraer EMB 175 (E7W) 2:46 Operates only on 2024-09-06 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Fri
11:15
Ontario, Los Angeles (ONT) 2
14:05
Seattle-Tacoma (SEA) WestJet WS 7976 Non-stop Embraer EMB 175 (E7W) 2:50 Operates only on 2024-10-04 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Mon-Fri,Sun
07:45
Ontario, Los Angeles (ONT) 2
10:45
Seattle-Tacoma (SEA) WestJet WS 8036 Non-stop Embraer EMB 175 (E7W) 3:00 Effective 2025-03-09 through 2025-04-13 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Mon,Thu-Sun
10:40
Ontario, Los Angeles (ONT) 2
13:45
Seattle-Tacoma (SEA) WestJet WS 8111 Non-stop Embraer EMB 175 (E7W) 3:05 Effective 2024-12-19 through 2025-01-05 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Daily
14:00
Ontario, Los Angeles (ONT) 2
16:44
Seattle-Tacoma (SEA) WestJet WS 8142 Non-stop Embraer EMB 175 (E7W) 2:44 Effective from 2025-06-20 Codeshare flight, operated by Delta Air Lines.(DL 3946) |
| Sat
07:00
Ontario, Los Angeles (ONT) 2
10:03
Seattle-Tacoma (SEA) WestJet WS 8146 Non-stop Embraer EMB 175 (E7W) 3:03 Effective 2025-04-19 through 2025-04-26 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Mon-Fri,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 2025-06-20 through 2025-06-27 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 from 2025-06-28 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Sat
07:45
Ontario, Los Angeles (ONT) 2
10:45
Seattle-Tacoma (SEA) WestJet WS 8146 Non-stop Embraer EMB 175 (E7W) 3:00 Effective 2025-03-15 through 2025-04-12 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Mon-Wed,Sun
11:15
Ontario, Los Angeles (ONT) 2
14:12
Seattle-Tacoma (SEA) WestJet WS 8152 Non-stop Embraer EMB 175 (E7W) 2:57 Effective 2024-10-27 through 2024-10-30 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Wed-Fri,Sun
11:15
Ontario, Los Angeles (ONT) 2
14:12
Seattle-Tacoma (SEA) WestJet WS 8152 Non-stop Embraer EMB 175 (E7W) 2:57 Effective 2024-11-06 through 2024-11-10 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Mon,Thu,Fri,Sun
11:29
Ontario, Los Angeles (ONT) 2
14:19
Seattle-Tacoma (SEA) WestJet WS 8152 Non-stop Embraer EMB 175 (E7W) 2:50 Effective from 2025-06-20 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Sun
07:35
Ontario, Los Angeles (ONT) 2
10:26
Seattle-Tacoma (SEA) WestJet WS 8161 Non-stop Embraer EMB 175 (E7W) 2:51 Operates only on 2024-10-06 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Thu
07:00
Ontario, Los Angeles (ONT) 2
10:03
Seattle-Tacoma (SEA) WestJet WS 8201 Non-stop Embraer EMB 175 (E7W) 3:03 Effective 2025-04-17 through 2025-04-24 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Wed
07:00
Ontario, Los Angeles (ONT) 2
10:03
Seattle-Tacoma (SEA) WestJet WS 8206 Non-stop Embraer EMB 175 (E7W) 3:03 Operates only on 2025-04-30 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Sun
11:15
Ontario, Los Angeles (ONT) 2
14:05
Seattle-Tacoma (SEA) WestJet WS 8263 Non-stop Embraer EMB 175 (E7W) 2:50 Operates only on 2024-10-06 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Fri
11:15
Ontario, Los Angeles (ONT) 2
14:05
Seattle-Tacoma (SEA) WestJet WS 8286 Non-stop Embraer EMB 175 (E7W) 2:50 Operates only on 2024-09-13 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Sun
07:35
Ontario, Los Angeles (ONT) 2
10:26
Seattle-Tacoma (SEA) WestJet WS 8292 Non-stop Embraer EMB 175 (E7W) 2:51 Operates only on 2024-09-29 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Thu
11:15
Ontario, Los Angeles (ONT) 2
14:05
Seattle-Tacoma (SEA) WestJet WS 8300 Non-stop Embraer EMB 175 (E7W) 2:50 Operates only on 2024-09-12 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Mon,Tue,Sat
11:18
Ontario, Los Angeles (ONT) 2
14:17
Seattle-Tacoma (SEA) WestJet WS 8367 Non-stop Embraer EMB 175 (E7W) 2:59 Effective 2024-11-23 through 2024-11-26 Codeshare flight, operated by Delta Air Lines.(DL 3720) |
| Wed
07:00
Ontario, Los Angeles (ONT) 2
10:03
Seattle-Tacoma (SEA) WestJet WS 8434 Non-stop Embraer EMB 175 (E7W) 3:03 Effective 2025-05-07 through 2025-05-21 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Sun
11:15
Ontario, Los Angeles (ONT) 2
14:05
Seattle-Tacoma (SEA) WestJet WS 8439 Non-stop Embraer EMB 175 (E7W) 2:50 Operates only on 2024-09-29 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Mon
11:49
Ontario, Los Angeles (ONT) 2
14:35
Seattle-Tacoma (SEA) WestJet WS 8525 Non-stop Embraer EMB 175 (E7W) 2:46 Operates only on 2024-09-02 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Sun
07:05
Ontario, Los Angeles (ONT) 2
09:55
Seattle-Tacoma (SEA) WestJet WS 8598 Non-stop Embraer EMB 175 (E7W) 2:50 Operates only on 2024-09-08 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Sun
11:49
Ontario, Los Angeles (ONT) 2
14:35
Seattle-Tacoma (SEA) WestJet WS 8599 Non-stop Embraer EMB 175 (E7W) 2:46 Operates only on 2024-09-08 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Thu
11:15
Ontario, Los Angeles (ONT) 2
14:05
Seattle-Tacoma (SEA) WestJet WS 8608 Non-stop Embraer EMB 175 (E7W) 2:50 Operates only on 2024-10-03 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Fri
07:00
Ontario, Los Angeles (ONT) 2
10:03
Seattle-Tacoma (SEA) WestJet WS 8667 Non-stop Embraer EMB 175 (E7W) 3:03 Operates only on 2025-05-02 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Fri
11:29
Ontario, Los Angeles (ONT) 2
14:31
Seattle-Tacoma (SEA) WestJet WS 8695 Non-stop Embraer EMB 175 (E7W) 3:02 Operates only on 2025-05-02 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Thu
11:15
Ontario, Los Angeles (ONT) 2
14:05
Seattle-Tacoma (SEA) WestJet WS 8706 Non-stop Embraer EMB 175 (E7W) 2:50 Operates only on 2024-09-26 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Mon,Thu
20:27
Ontario, Los Angeles (ONT) 2
23:12
Seattle-Tacoma (SEA) Qatar Airways QR 8822 Non-stop Boeing 737 (73J) 2:45 Effective 2024-10-03 through 2024-10-07 Codeshare flight, operated by Alaska Airlines.(AS 1087) |
| Thu,Fri,Sun
20:27
Ontario, Los Angeles (ONT) 2
23:12
Seattle-Tacoma (SEA) Qatar Airways QR 8822 Non-stop Boeing 737-800 (73H) 2:45 Effective 2024-10-04 through 2024-10-13 Codeshare flight, operated by Alaska Airlines.(AS 1087) |
| Mon,Thu,Sun
20:27
Ontario, Los Angeles (ONT) 2
23:12
Seattle-Tacoma (SEA) Qatar Airways QR 8822 Non-stop Boeing 737-800 (73H) 2:45 Effective 2024-10-14 through 2024-10-24 Codeshare flight, operated by Alaska Airlines.(AS 1087) |
| Fri
20:27
Ontario, Los Angeles (ONT) 2
23:12
Seattle-Tacoma (SEA) Qatar Airways QR 8822 Non-stop Boeing 737 MAX 9 (7M9) 2:45 Operates only on 2024-10-18 Codeshare flight, operated by Alaska Airlines.(AS 1087) |
| Fri
20:27
Ontario, Los Angeles (ONT) 2
23:12
Seattle-Tacoma (SEA) Qatar Airways QR 8822 Non-stop Boeing 737-800 (73H) 2:45 Operates only on 2024-10-25 Codeshare flight, operated by Alaska Airlines.(AS 1087) |
| Thu,Fri,Sun
20:49
Ontario, Los Angeles (ONT) 2
23:27
Seattle-Tacoma (SEA) Qatar Airways QR 8852 Non-stop Boeing 737 (73J) 2:38 Valid until 2024-09-20 Codeshare flight, operated by Alaska Airlines.(AS 1087) |
| Mon
20:49
Ontario, Los Angeles (ONT) 2
23:27
Seattle-Tacoma (SEA) Qatar Airways QR 8852 Non-stop Boeing 737-800 (73H) 2:38 Effective 2024-09-09 through 2024-09-30 Codeshare flight, operated by Alaska Airlines.(AS 1087) |
| Sun
20:49
Ontario, Los Angeles (ONT) 2
23:27
Seattle-Tacoma (SEA) Qatar Airways QR 8852 Non-stop Boeing 737-800 (73H) 2:38 Operates only on 2024-09-22 Codeshare flight, operated by Alaska Airlines.(AS 1087) |
| Thu,Fri,Sun
20:49
Ontario, Los Angeles (ONT) 2
23:27
Seattle-Tacoma (SEA) Qatar Airways QR 8852 Non-stop Boeing 737 (73J) 2:38 Effective 2024-09-26 through 2024-09-29 Codeshare flight, operated by Alaska Airlines.(AS 1087) |
| Daily
20:50
Ontario, Los Angeles (ONT) 2
23:39
Seattle-Tacoma (SEA) Qatar Airways QR 8852 Non-stop Boeing 737 (73J) 2:49 Effective from 2025-03-19 Codeshare flight, operated by Alaska Airlines.(AS 1087) |
| Mon,Thu,Fri,Sun
20:52
Ontario, Los Angeles (ONT) 2
23:49
Seattle-Tacoma (SEA) Qatar Airways QR 8852 Non-stop Boeing 737 (73J) 2:57 Effective 2024-12-19 through 2025-01-05 Codeshare flight, operated by Alaska Airlines.(AS 1087) |
| Thu,Fri
20:55
Ontario, Los Angeles (ONT) 2
23:44
Seattle-Tacoma (SEA) Qatar Airways QR 8852 Non-stop Boeing 737-800 (73H) 2:49 Effective 2024-12-05 through 2024-12-12 Codeshare flight, operated by Alaska Airlines.(AS 1007) |
| Fri,Sun
20:55
Ontario, Los Angeles (ONT) 2
23:44
Seattle-Tacoma (SEA) Qatar Airways QR 8852 Non-stop Boeing 737 (73J) 2:49 Effective 2024-12-08 through 2024-12-15 Codeshare flight, operated by Alaska Airlines.(AS 1007) |
| Mon
20:55
Ontario, Los Angeles (ONT) 2
23:44
Seattle-Tacoma (SEA) Qatar Airways QR 8852 Non-stop Boeing 737 MAX 8 (7M8) 2:49 Operates only on 2024-12-09 Codeshare flight, operated by Alaska Airlines.(AS 1007) |
| Mon
20:55
Ontario, Los Angeles (ONT) 2
23:44
Seattle-Tacoma (SEA) Qatar Airways QR 8852 Non-stop Boeing 737 (73J) 2:49 Operates only on 2024-12-16 Codeshare flight, operated by Alaska Airlines.(AS 1007) |
- 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 3:09.
