DL 4155 Seattle to Medford Flight Status

Delta Air Lines Flight DL4155 from Seattle Tacoma International Airport SEA to Medford Rogue Valley International Airport MFR is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on December 19th, 2025.
Check the table below for DL4155's most recent flight history:

DL 4155 Flight Status & Schedule

Date Departure Arrival Status
Dec 19 10:49 12:22
Landed
Track >
Dec 18 09:33 10:33
Landed
Track >
Dec 17 10:14 11:18
Landed Late
Track >
Dec 16 10:20 10:59
En-Route
Track >
Dec 15 09:50 10:53
Landed
Track >

Delta Air Lines DL 4155 Seattle to Medford Flight Information

Delta Air Lines Flight DL4155 connects Seattle, United States to Medford, United States, taking off from Seattle Tacoma International Airport SEA and landing at Medford Rogue Valley International Airport MFR.

How long is the DL4155 flight from Seattle to Medford?

The average flight time from Seattle to Medford is 1 hour and 13 minutes. The flight distance is 566 km / 352 miles and the average flight speed is 481 km/h / 299 mph.

What is the On-Time Performance (OTP) of Delta Air Lines Flight DL4155 Seattle to Medford?

The Airportia On-Time Performance Rating for Delta Air Lines Flight DL4155 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest DL4155 flight?

The latest flight took off on Friday, December 19th, 2025 with the flight status being Landed on 12:22.

How else can the flight DL4155 be referenced as?

This Delta Air Lines flight can also be referenced as DAL4155, DL 4155, DAL 4155.

How often is flight DL4155 delayed?

On average, 40% of all DL4155 flights are delayed. The average delay is 28 minutes.

Can I get compensation for my delayed or cancelled DL4155 flight or baggage issues?

If your DL4155 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 DL4155 Flight Tracker above for more details.

DL4155 and Seattle SEA to Medford MFR Flights

Flight DL4155 is code-shared by 2 airlines using the flight numbers AM4284, KE3067

Other flights departing from Seattle SEA: DL3608, WN205, Y42574, DL1293

Other flights arriving at Medford MFR: DL3663, A83934, A81994

All flights connecting Seattle SEA to Medford MFR.

DL4155 Delta Air Lines Flight: Seattle to Medford Route Map

DL4155 Delta Air Lines Flight Map: Seattle to Medford
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.