| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 02 | LHR | SEA | 14:00 | 16:16 |
Scheduled
|
Track > |
Delta Air Lines Flight DL9921 connects London, United Kingdom to Seattle, United States, taking off from London Heathrow Airport LHR and landing at Seattle Tacoma International Airport SEA.
How many DL9921 flights are operated per week?
1 flight per week. The flight DL9921 is operated on Sunday.
What is the On-Time Performance (OTP) of Delta Air Lines Flight DL9921 London to Seattle?
The Airportia On-Time Performance Rating for Delta Air Lines Flight DL9921 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest DL9921 flight?
The latest flight took off on Sunday, August 2nd, 2026 with the flight status being Scheduled on 16:16.
How else can the flight DL9921 be referenced as?
This Delta Air Lines flight can also be referenced as DAL9921, DL 9921, DAL 9921.
How often is flight DL9921 delayed?
On average, 0% of all DL9921 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled DL9921 flight or baggage issues?
If your DL9921 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our DL9921 Flight Tracker above for more details.
Other flights departing from London LHR: BA514, BA119, BA291, AC865
Other flights arriving at Seattle SEA: DL145, AS23, AS762, UA2241
All flights connecting London LHR to Seattle SEA.
