Check UA1128 for your travel date
Free, in 2 seconds, no signup. Enter the flight number from your booking.
IAD
Washington Dulles Intl
5h 10min
SEA
Seattle-Tacoma Intl
71%
On-time (OTP)
11 min
Average arrival delay
0.0%
Cancellation rate
17
Flights analysed
Flight UA1128 details
Flight UA1128 is operated by United Airlines on the route Washington Dulles Intl (IAD) → Seattle-Tacoma Intl (SEA). The estimated flight time is 5h 10min. Based on 17 flights analysed, on-time performance is 71% with an average arrival delay of 11 minutes.
Departure vs arrival
Average departure delay
21 min
Average arrival delay
11 min
Frequently asked questions about flight UA1128
United Airlines flight UA1128 has an on-time performance of 71% based on 17 analysed flights. The average arrival delay is 11 minutes.
Flight UA1128 operates on the Washington Dulles Intl (IAD) → Seattle-Tacoma Intl (SEA) route, taking about 5h 10min.
Flight UA1128 recorded no cancellations in the analysed period.
