Seattle Airport Informational Guide to Seattle–Tacoma Airport - Seatac (SEA) - NON OFFICIAL

DL3999 Delta Air Lines - Flight Status

Below, you can find details about Delta Air Lines flight DL3999, which currently operates between the airports of Ontario - Ontario International Airport (Airport Code ONT) and Seattle - Seattle-Tacoma International Airport (Airport Code SEA).
This flight data pertains specifically to the flight's details for Monday, May 06, 2024.

DL3999 On Time performance:
95
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

DL3999 Delta Air Lines from Ontario

We only provide flight information for yesterday, today and tomorrow. This flight is not scheduled for this interval of time.

Airline information

Delta Air Lines
Delta Air Lines

Departure

Ontario (ONT)
May 06, 2024
Ontario International Airport

Arrival

Seattle (SEA)
May 06, 2024
Seattle-Tacoma International Airport
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:

- KL7203 - KLM Royal Dutch Airlines

- VS5381 - Virgin Atlantic

Additional Information

Which is the frequency of flight DL3999?
The flight DL3999 is scheduled to flight on daily basis.

Which is the distance of flight DL3999?
The distance between the two airports is 957 miles.

Which is the flight time of flight DL3999?
The scheduled flight time gate to gate is: 02:54 hours.
The real flight time gate to gate on average is: 02:45 hours.

Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.

Alternative Flights

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

Alaska Airlines
- Flight Number: AS1087. (On Time performance: 96 - Average Delay: 3 minutes)
- Flight Number: AS1091. (On Time performance: 96 - Average Delay: 7 minutes)
- Flight Number: AS1113. (On Time performance: 87 - Average Delay: 5 minutes)
- Flight Number: AS1119. (On Time performance: 72 - Average Delay: 14 minutes)
- Flight Number: AS1255. (On Time performance: 92 - Average Delay: 5 minutes)
- Flight Number: AS3452. (On Time performance: 100 - Average Delay: 1 minutes)

Delta Air Lines
- Flight Number: DL3995. (On Time performance: 90 - Average Delay: 6 minutes)
- Flight Number: DL4008. (On Time performance: 94 - Average Delay: 4 minutes)
- Flight Number: DL4015. (On Time performance: 100 - Average Delay: 1 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 April 09, 2024 to April 29, 2024, we have obtained these figures.
Total number of flights: 21
On Time: 20 ( 95 % )
Moderate Delay: 1 ( 5 % )
Significant Delay: 0 ( 0 % )
Major Delay: 0 ( 0 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 2 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: We have gathered available data from last twelve closed months, spanning from April 09, 2024 to April 29, 2024. 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 DL3999

Date
Departure
Arrival
Duration
Aircraft
Status
Monday
06 May
01:55 pm
Ontario (ONT)
04:52 pm
Seattle (SEA)
02h 57min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Sunday
05 May
02:31 pm
Ontario (ONT)
05:45 pm
Seattle (SEA)
03h 14min
Embraer 175 (E
Embraer 175 (E
Landed - Delayed
Saturday
04 May
01:54 pm
Ontario (ONT)
04:13 pm
Seattle (SEA)
02h 19min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Friday
03 May
01:55 pm
Ontario (ONT)
04:41 pm
Seattle (SEA)
02h 46min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Thursday
02 May
01:55 pm
Ontario (ONT)
04:40 pm
Seattle (SEA)
02h 45min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Wednesday
01 May
02:08 pm
Ontario (ONT)
05:07 pm
Seattle (SEA)
02h 59min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Tuesday
30 April
01:53 pm
Ontario (ONT)
04:32 pm
Seattle (SEA)
02h 39min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Monday
29 April
02:11 pm
Ontario (ONT)
04:54 pm
Seattle (SEA)
02h 43min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Sunday
28 April
01:56 pm
Ontario (ONT)
04:45 pm
Seattle (SEA)
02h 49min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Saturday
27 April
01:52 pm
Ontario (ONT)
04:52 pm
Seattle (SEA)
03h 00min
Embraer 175 (E
Embraer 175 (E
Landed - On-time