Dulles: minimum reposition time?

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Jul 30, 2025 | 6:17 pm
  #1  
For work reasons, I'm trying to leave my hometown as late as possible WITHOUT ACTUALLY MISSING THE FLIGHT, lol. What's the minimum reposition time you'd leave for Dulles?

Coming into C or D (UA), departing almost certainly from A (AF). AF is J, so no real need to board the second it starts as long as we make it before doors close. No checked bags. Okay with a bit of hustling.

Am the type to show up to airport 1hr before flight (w/ precheck), so pretty chill with tight connections. What's in the realm of safe vs stupid? Yes I know .... can happen any time, it's just a long time since have connected through Dulles.

Thanks!
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Jul 30, 2025 | 6:48 pm
  #2  
One ticket or two tickets?
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Jul 30, 2025 | 6:58 pm
  #3  
2 people, and not like a toddler or anything :-P
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Jul 30, 2025 | 7:02 pm
  #4  
Quote: 2 people, and not like a toddler or anything :-P
I'm not asking how many passengers; I'm asking how many tickets per passenger, one or two? That is, will the UA and AF flights both be on one ticket, or will each be on a separate ticket?
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Jul 30, 2025 | 7:04 pm
  #5  
Oh sorry, I thought I said in my OP - separate tickets.
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Jul 30, 2025 | 7:11 pm
  #6  
Quote: Oh sorry, I thought I said in my OP - separate tickets.
If the separate AF ticket is non-refundable, I would plan to arrive IAD the day before. If you book a same-day UA flight to IAD and it is cancelled or substantially delayed -- causing you to miss your AF flight -- how much (financial) pain would you be in, and can you live with it?

How many daily flights does UA have from your home airport to IAD? If your UA flight were cancelled, would you be within a reasonable driving distance of IAD?
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Jul 30, 2025 | 7:49 pm
  #7  
It's an award flight, so minimum financial hardship. I'm aware of all the possibilities and combinations, I really was just hoping for a vague "I'd never connect in under X minutes at Dulles" type statement from people who pass through there often. But there's variables, I get it. NBD.
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Jul 30, 2025 | 8:24 pm
  #8  
Quote: It's an award flight, so minimum financial hardship. I'm aware of all the possibilities and combinations, I really was just hoping for a vague "I'd never connect in under X minutes at Dulles" type statement from people who pass through there often. But there's variables, I get it. NBD.
I'm sure that another FTer with more IAD familiarity will be along eventually to answer your specific question. Someone might even be able to provide the specific IAD minimum-connecting time from UA domestic to AF when traveling on a single ticket. But do you have a Plan B if you miss the AF flight? Would you scrub the trip? Pay cash for a last-minute walk-up ticket?
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Jul 31, 2025 | 3:19 pm
  #9  
For IAD, not knowing if you come into C or D, I wouldnt be comfortable with anything under an hour. Also, note that IAD has many late afternoon thunder storms in the summer that can throw everything sideways.
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Jul 31, 2025 | 4:06 pm
  #10  
Quote: For IAD, not knowing if you come into C or D, I wouldnt be comfortable with anything under an hour. Also, note that IAD has many late afternoon thunder storms in the summer that can throw everything sideways.
echoing Kody, at least 1 hour. Getting between terminals doesnt typically take more than 10 minutes. But you should build in time for delays from your home airport and you probably want/need to arrive at AF gate at least 30 mins before AF departure. If nothing else, you will have time to get a drink/bite to eat at the AF lounge.
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Aug 2, 2025 | 9:48 am
  #11  
Its not hard to get around the airport but it can be a long walk

you have a train connecting C, A, and main terminal and a train connecting B and main terminal thrn there is the mobile box from D to main terminal and I think to A as well

also what kind of plane coming in in? If you are flying a large plane it take longer to get out than a crop duster

if you fly United in you could be on a smaller regional and come into A 1-6 tarmac gates

do you want to get food before your int flight? That adds time
SPN Lifer likes this.
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Aug 6, 2025 | 6:26 am
  #12  
This is the reverse of traversing from the TK lounge to UA flights in C/D. I usually plan for 20 minutes for that as a fast walker. Can be less depending on where in C/D you are or how long you have to wait for the mobile lounge / train. I usually leave the TK lounge 50 mins to an hour before a flight from C/D. Obviously your assumed arrival time on UA and time to deplane you can estimate; I am not considering any of that, just travel time between points in the airport.
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