Airport Tips & Quick Reference Guide to Seattle–Tacoma Airport - Seatac (SEA)

DL3740 Delta Air Lines - Flight Status

Codeshare Flights
The flight AM3421 from Aeromexico (AM) is a codeshare flight operated by Delta Air Lines (DL) under the flight number DL3740. Check this page for details about flight DL3740.

Below, you can find details about Delta Air Lines flight DL3740, which currently operates between the airports of Boise - Boise Air Terminal (Airport Code BOI) and Seattle - Seattle-Tacoma International Airport (Airport Code SEA).
This flight data pertains specifically to the flight's details for Saturday, November 07, 2026.

DL3740 On Time performance:
66
We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays

Flight Status

DL3740 Delta Air Lines from Boise

Scheduled - On-time
Flight Status for Saturday November 07, 2026
This flight was also scheduled for Yesterday (November 05, 2026). See it here
This flight is also scheduled for Today (November 06, 2026). See it here

Airline information

Delta Air Lines
Delta Air Lines
Equipment: Embraer 175 (Enhanced Winglets)

Departure

Boise (BOI)
November 07, 2026
Boise Air Terminal
Estimated Departure Time:
08:59 am
Terminal:
M
Gate:
B22
Scheduled Departure Time: 08:59 am

Arrival

Seattle (SEA)
November 07, 2026
Seattle-Tacoma International Airport
Estimated Arrival Time:
09:44 am
Gate:
B8
Scheduled Arrival Time: 09:54 am
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.seattle-airport.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.

Codeshare Flights

This flight is shared with other airlines, this means that these other flights are the same:

- AM3421 - Aeromexico

- KE3096 - Korean Air

Additional Information

Which is the frequency of flight DL3740?
The flight DL3740 is scheduled to flight on daily basis.

Which is the distance of flight DL3740?
The distance between the two airports is 398 miles.

Which is the flight time of flight DL3740?
The scheduled flight time gate to gate is: 01:55 hours.
The real flight time gate to gate on average is: 02:01 hours.

Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Boise: 2026-11-06 13:34:35
Current Time in Seattle: 2026-11-06 12:34:35

Alternative Flights

The following airlines serves the same route between Boise and Seattle:

Alaska Airlines
- Flight Number: AS2120.
- Flight Number: AS2123.
- Flight Number: AS2124.
- Flight Number: AS2347. (On Time performance: 60 - Average Delay: 21 minutes)
- Flight Number: AS2352. (On Time performance: 49 - Average Delay: 25 minutes)
- Flight Number: AS2407. (On Time performance: 69 - Average Delay: 17 minutes)
- Flight Number: AS3020. (On Time performance: 77 - Average Delay: 12 minutes)
- Flight Number: AS3029.
- Flight Number: AS320. (On Time performance: 76 - Average Delay: 11 minutes)
- Flight Number: AS337. (On Time performance: 47 - Average Delay: 40 minutes)
- Flight Number: AS356. (On Time performance: 72 - Average Delay: 19 minutes)
- Flight Number: AS359.
- Flight Number: AS364. (On Time performance: 87 - Average Delay: 26 minutes)
- Flight Number: AS382. (On Time performance: 92 - Average Delay: 12 minutes)
- Flight Number: AS410.

Delta Air Lines
- Flight Number: DL3678. (On Time performance: 87 - Average Delay: 9 minutes)
- Flight Number: DL3688. (On Time performance: 73 - Average Delay: 18 minutes)
- Flight Number: DL3750. (On Time performance: 66 - Average Delay: 15 minutes)
- Flight Number: DL3775. (On Time performance: 93 - Average Delay: 9 minutes)
- Flight Number: DL3906. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: DL4127. (On Time performance: 74 - Average Delay: 17 minutes)

Punctuality and delays

We have gathered data from recent months and present below an analysis of how timely the flights have been.

In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from July 29, 2026 to October 28, 2026, we have obtained these figures.
Total number of flights: 92
On Time: 61 ( 66 % )
Moderate Delay: 6 ( 7 % )
Significant Delay: 12 ( 13 % )
Major Delay: 13 ( 14 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 19 minutes.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from April 29, 2026 to October 28, 2026. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.

Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from October 02, 2025 to September 30, 2026. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.

Last Past Flights DL3740

Date
Departure
Arrival
Duration
Aircraft
Status
Thursday
05 November
08:57 am
Boise (BOI)
10:38 am
Seattle (SEA)
02h 41min
Embraer 175 (E
Embraer 175 (E
Landed - Delayed
Wednesday
04 November
12:53 pm
Boise (BOI)
01:24 pm
Seattle (SEA)
01h 31min
Embraer 175 (E
Embraer 175 (E
Landed - Delayed
Tuesday
03 November
08:50 am
Boise (BOI)
10:00 am
Seattle (SEA)
02h 10min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Monday
02 November
09:18 am
Boise (BOI)
10:32 am
Seattle (SEA)
02h 14min
Embraer 175 (E
Embraer 175 (E
Landed - Delayed
Sunday
01 November
08:53 am
Boise (BOI)
10:24 am
Seattle (SEA)
02h 31min
Embraer 175 (E
Embraer 175 (E
Landed - Delayed
Saturday
31 October
10:46 am
()
11:49 am
Seattle (SEA)
Embraer 175 (E
Embraer 175 (E
Landed - DIVERTED
Saturday
31 October
08:43 am
Boise (BOI)
09:28 am
Pasco (PSC)
Embraer 175 (E
Embraer 175 (E
Landed - DIVERTED
Friday
30 October
08:51 am
Boise (BOI)
09:22 am
Seattle (SEA)
Embraer 175
Embraer 175
Landed - On-time
Thursday
29 October
08:52 am
Boise (BOI)
10:01 am
Seattle (SEA)
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Wednesday
28 October
08:49 am
Boise (BOI)
10:35 am
Seattle (SEA)
Embraer 175 (E
Embraer 175 (E
Landed - Delayed