DL3988 Delta Air Lines - Flight Status
Below, you can find details about Delta Air Lines flight DL3988, which currently operates between the airports of Detroit - Detroit Metropolitan Wayne County Airport (Airport Code DTW) and Dulles - Washington Dulles International Airport (Airport Code IAD).
This flight data pertains specifically to the flight's details for Monday, May 11, 2026.
Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights DL3988
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights DL3988
DL3988 On Time performance:
n/a
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions. Flight Status
DL3988 Delta Air Lines to Dulles
Scheduled
Flight Status for Monday May 11, 2026
This flight was also scheduled for Yesterday (May 09, 2026). See it here
This flight is also scheduled for Today (May 10, 2026). See it here
Scheduled
Flight Status for Monday May 11, 2026
Airline information
Delta Air Lines
Equipment: Canadair (Bombardier) Regional Jet 900 and Challenger 890
Departure
Detroit (DTW)
May 11, 2026
Detroit Metropolitan Wayne County Airport
Scheduled Departure Time:
09:25 pm
Terminal:
M - McNamara
Gate:
-
Scheduled Departure Time: 09:25 pm
Arrival
Dulles (IAD)
May 11, 2026
Washington Dulles International Airport
Scheduled Arrival Time:
10:56 pm
Terminal:
-
Gate:
-
Scheduled Arrival Time: 10:56 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.detroit-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:
- AF8746 - Air France
- AM4899 - Aeromexico
- KL6807 - KLM Royal Dutch Airlines
- VS4420 - Virgin Atlantic
- WS7169 - WestJet
Additional Information
Which is the frequency of flight DL3988?
The flight DL3988 is scheduled to flight on Thursday, Friday, Saturday, Sunday on a weekly basis.
Which is the distance of flight DL3988?
The distance between the two airports is 383 miles.
Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.
The flight DL3988 is scheduled to flight on Thursday, Friday, Saturday, Sunday on a weekly basis.
Which is the distance of flight DL3988?
The distance between the two airports is 383 miles.
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 Detroit and Dulles:
Delta Air Lines
- Flight Number: DL1787.
- Flight Number: DL3849. (On Time performance: 72 - Average Delay: 21 minutes)
- Flight Number: DL3878. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: DL3910. (On Time performance: 69 - Average Delay: 39 minutes)
- Flight Number: DL955. (On Time performance: 89 - Average Delay: 7 minutes)
United Airlines
- Flight Number: UA1159. (On Time performance: 94 - Average Delay: 4 minutes)
- Flight Number: UA1265.
- Flight Number: UA3404. (On Time performance: 80 - Average Delay: 9 minutes)
- Flight Number: UA4074. (On Time performance: 95 - Average Delay: 13 minutes)
- Flight Number: UA6132. (On Time performance: 88 - Average Delay: 11 minutes)
- Flight Number: UA6190. (On Time performance: 84 - Average Delay: 14 minutes)
Delta Air Lines
- Flight Number: DL1787.
- Flight Number: DL3849. (On Time performance: 72 - Average Delay: 21 minutes)
- Flight Number: DL3878. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: DL3910. (On Time performance: 69 - Average Delay: 39 minutes)
- Flight Number: DL955. (On Time performance: 89 - Average Delay: 7 minutes)
United Airlines
- Flight Number: UA1159. (On Time performance: 94 - Average Delay: 4 minutes)
- Flight Number: UA1265.
- Flight Number: UA3404. (On Time performance: 80 - Average Delay: 9 minutes)
- Flight Number: UA4074. (On Time performance: 95 - Average Delay: 13 minutes)
- Flight Number: UA6132. (On Time performance: 88 - Average Delay: 11 minutes)
- Flight Number: UA6190. (On Time performance: 84 - Average Delay: 14 minutes)
Punctuality and delays
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.
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 May 02, 2025 to November 05, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.
Note: We have excluded some months from the graph, since the quantity and quality of the data is not representative enough.
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 May 02, 2025 to November 05, 2025. 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 DL3988
Date
Departure
Arrival
Duration
Aircraft
Status
Saturday
09 May
09 May
09:20 pm
Detroit (DTW)
Detroit (DTW)
10:41 pm
Dulles (IAD)
Dulles (IAD)
01h 21min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Friday
08 May
08 May
09:20 pm
Detroit (DTW)
Detroit (DTW)
10:42 pm
Dulles (IAD)
Dulles (IAD)
01h 22min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Thursday
07 May
07 May
09:23 pm
Detroit (DTW)
Detroit (DTW)
10:39 pm
Dulles (IAD)
Dulles (IAD)
01h 16min
Canadair (Bomb
Canadair (Bomb
Landed - On-time