UA 421 then UA 4577 at Dulles
Denver → Washington → Portland (Maine)
Timetable, Washington time
21:30UA 421 from Denver at the gate
22:13UA 4577 to Portland (Maine) leaves the gate
43 min apart on the timetable
The last 8 days both flew
Between the gates: UA 421 reaching its gate to UA 4577 leaving its gate.
1 h 11shortest
1 h 12typical
1 h 13longest
0 of 3 days had 15 min or more less than the timetable. No gate time on the board on 5 days.
UA 421 typically reached its gate 7 min early, UA 4577 left 21 min late.
Times each day
| Day | UA 421 at the gate | UA 4577 left the gate | Between |
|---|---|---|---|
| Fri 13 Nov | No gate time on the board | ||
| Thu 12 Nov | No gate time on the board | ||
| Sun 8 Nov | No gate time on the board | ||
| Fri 6 Nov | No gate time on the board | ||
| Thu 5 Nov | No gate time on the board | ||
| Sun 1 Nov | 21:23 7 min early | 22:35 22 min late | 1 h 12 |
| Fri 30 Oct | 21:03 27 min early | 22:16 3 min late | 1 h 13 |
| Sun 25 Oct | 21:23 7 min early | 22:34 21 min late | 1 h 11 |
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.
Later flights to Portland (Maine)
No later flight to Portland (Maine) on the timetable.