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As most travelers know by now, San Francisco International Airport is in the midst of a major runway repair project that is expected to last until Sept. 27. At times, the project is cutting the airport's runway capacity in half.

Roughly 1 in 3 SFO flights are now affected by delays or cancellations. Travelers are venting to the media, as well as on social media, about the hassles, canceled meetings, squashed plans and, of course, the additional cost.

But how much is this costing the airport or the airlines? Both are getting hit pretty hard from a PR standpoint, but how much actual money is this costing them? Well United, for one, is mum about costs — a spokesperson said that the airline would not disclose those figures.

SFO spokesman Doug Yakel said the airport hasn't "done any calculations of this nature."

"Runways are our critical infrastructure," he added, "and this work was necessary for their long-term reliability."

The federal government is picking up the $16.2 million tab for the actual runway repair.

Airline industry analyst Robert Mann of RW Mann & Company said the airport's construction plan was well-communicated, long in advance, so no one should be surprised by the impact.

"Whatever it costs airlines, in terms of customer disruption, lost revenue and extra expense, this is just another case of airlines looking for excuses, instead of having been proactive," he said. "This is an industry that points fingers after the fact, instead of choosing to manage and mitigate delays, in advance and in real-time."

OK, so the cost to airlines and the airport is nebulous, but how much is it costing consumers? Well, since runway construction is considered a force majeure event, airlines are most likely not going to compensate travelers for hotels, meals or transfers related to their irregular operations (and according to most tweets about the closure, haven't been).

Which means if (*deep breath*) you're traveling from Dallas on United to SFO hoping to connect to one of its many night flights to Asia, but your DFW-SFO flight is delayed three hours, causing you to miss your connection, and forcing you into a hotel near the airport until the next day, the all-in cost for the Best Western Plus Grosvenor House near SFO is running about $220 this week. The Aloft or AC Hotels are in the $300 per night range. The Westin SFO is $400 per night. The new on-airport Grand Hyatt SFO does not open until October, but if it were open, travelers would be paying about $400 to $500 per night, depending on demand.

In summary: Ouch.

Then there are the extra two or three meals you'll have to buy at, say $25 each (because: airport prices), so $50 to $75 there.

Most airport hotels run a free shuttle service, but if that's not available, it's going to cost you about $10 to $50, depending on where you end up staying.

And then there's the opportunity cost involved in missing a full day of work, which varies from person to person. Oh, and don't forget additional baby or pet sitting fees. The list goes on and on.

Here's another scenario: You're a traveler from central San Francisco on a business trip to Seattle. Your return flight home, originally scheduled to land at SFO, is diverted to San Jose airport instead. While the airline might have a shuttle there to bring you back to SFO, it's more likely that you'll call an Uber to get you back to your house in the city. Depending on traffic, that's going to run you about $75 plus tip.

Or what about this: You have an Alaska Airlines reservation to fly from SFO to San Diego this week. You decide that you don't have the time to risk getting caught up in this mess, and just want to cancel your trip and take it in early October instead. Since Alaska Air is not waiving fees, that's going to cost you $125 to make the change, plus any additional costs if the SFO-SAN fare is higher.

How much is this actually costing you? Tell us in THE COMMENTS.

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