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

DL43 Delta Air Lines - Flight Status

Codeshare Flights
The flight AF3657 from Air France (AF) is a codeshare flight operated by Delta Air Lines (DL) under the flight number DL43. Check this page for details about flight DL43.

Below, you can find details about Delta Air Lines flight DL43, which currently operates between the airports of Rome - Rome Leonardo da Vinci Fiumicino Airport (Airport Code FCO) and Seattle - Seattle-Tacoma International Airport (Airport Code SEA).
This flight data pertains specifically to the flight's details for Monday, June 01, 2026.

DL43 On Time performance:
75
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

DL43 Delta Air Lines from Rome

Scheduled
Flight Status for Monday June 01, 2026
This flight was also scheduled for Yesterday (May 30, 2026). See it here

Airline information

Delta Air Lines
Delta Air Lines
Equipment: Airbus A330-900neo

Departure

Rome (FCO)
June 01, 2026
Rome Leonardo da Vinci Fiumicino Airport
Scheduled Departure Time:
12:20 pm
Terminal:
3
Gate:
-
Scheduled Departure Time: 12:20 pm

Arrival

Seattle (SEA)
June 01, 2026
Seattle-Tacoma International Airport
Scheduled Arrival Time:
03:25 pm
Gate:
-
Scheduled Arrival Time: 03:25 pm
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:

- AF3657 - Air France

- KL8212 - KLM Royal Dutch Airlines

Additional Information

Which is the frequency of flight DL43?
The flight DL43 is scheduled to flight on Monday, Tuesday, Thursday, Saturday on a weekly basis.

Which is the distance of flight DL43?
The distance between the two airports is 5675 miles.

Which is the flight time of flight DL43?
The scheduled flight time gate to gate is: 12:05 hours.
The real flight time gate to gate on average is: 12:05 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 Rome: 2026-05-31 11:25:57
Current Time in Seattle: 2026-05-31 02:25:57

Alternative Flights

The following airline serve the same route between Rome and Seattle:
Alaska Airlines - Flight Number: AS181. (On Time performance: 62 - Average Delay: 19 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 May 07, 2026 to May 26, 2026, we have obtained these figures.
Total number of flights: 12
On Time: 9 ( 75 % )
Moderate Delay: 1 ( 8 % )
Significant Delay: 1 ( 8 % )
Major Delay: 1 ( 8 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 13 minutes.
Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions

Last Past Flights DL43

Date
Departure
Arrival
Duration
Aircraft
Status
Saturday
30 May
12:08 pm
Rome (FCO)
03:21 pm
Seattle (SEA)
12h 13min
Airbus A330-90
Airbus A330-90
Landed - On-time
Thursday
28 May
12:37 pm
Rome (FCO)
03:48 pm
Seattle (SEA)
12h 11min
Airbus A330-90
Airbus A330-90
Landed - Delayed
Tuesday
26 May
12:03 pm
Rome (FCO)
03:19 pm
Seattle (SEA)
12h 16min
Airbus A330-90
Airbus A330-90
Landed - On-time
Monday
25 May
12:30 pm
Rome (FCO)
04:30 pm
Seattle (SEA)
13h 00min
Airbus A330-90
Airbus A330-90
Landed - Delayed
Saturday
23 May
12:08 pm
Rome (FCO)
03:09 pm
Seattle (SEA)
12h 01min
Airbus A330-90
Airbus A330-90
Landed - On-time
Thursday
21 May
12:41 pm
Rome (FCO)
03:21 pm
Seattle (SEA)
11h 40min
Airbus A330-90
Airbus A330-90
Landed - On-time
Tuesday
19 May
12:03 pm
Rome (FCO)
02:33 pm
Seattle (SEA)
11h 30min
Airbus A330-90
Airbus A330-90
Landed - On-time
Monday
18 May
12:00 pm
Rome (FCO)
03:05 pm
Seattle (SEA)
12h 05min
Airbus A330-90
Airbus A330-90
Landed - On-time
Saturday
16 May
12:41 pm
Rome (FCO)
03:42 pm
Seattle (SEA)
12h 01min
Airbus A330-90
Airbus A330-90
Landed - Delayed
Thursday
14 May
12:20 pm
Rome (FCO)
04:04 pm
Seattle (SEA)
12h 44min
Airbus A330-90
Airbus A330-90
Landed - Delayed