You just heard the word "diverting" over the intercom, and now you're trying to figure out how to actually get to Aspen. You might be reading this on your phone, in the air or sitting at a gate in Eagle, Grand Junction, or Denver. The clock is already running, because everyone else on your plane is about to want the same seats you do.
This is the tactical playbook for rebooking fast. It picks up where our main guide on what to do when your Aspen flight is diverted leaves off. That guide covers each diversion airport and your rights in detail. This one is about one thing: winning the rebooking race and choosing the option that actually gets you to Aspen soonest.
The 60-second version
If you only have a minute before you land: open your airline's app right now and look at the rebooking or "rebook" option for your canceled or diverted segment. At the same time, call the airline's phone line (numbers below) and stay on hold. Do both at once. Do not cancel anything yourself. If the airline is sending a bus to Aspen, the bus is usually faster than waiting for a new flight. The rest of this guide explains how to make each of those calls.
First, Know Which Situation You're In
"Rebooking" means different things depending on where you landed and why. After an Aspen divert, you'll usually be in one of four situations, and each one calls for a different move.
- The plane refuels and tries again. One of the most common outcomes. The aircraft lands at a nearby airport just to take on fuel, waits for a break in the Aspen weather, then flies the short hop back and re-attempts the landing. Circling above Aspen burns fuel fast in the mountains, so a quick fuel stop simply buys the crew another shot at getting in. You may stay on the aircraft or wait in the terminal and reboard the same flight. No rebooking needed, just patience.
- A bus is coming. The airline plans to drive you to Aspen the same day. This is most common at Eagle and Grand Junction. If a bus is confirmed, you often do not need a new flight at all.
- You need a new flight. The airline will put you on a later flight to Aspen, the same day or the next morning. This is most common at Denver, which has frequent Aspen service.
- There's no clear path today. A big weather system has closed the whole region, and the airline cancels the rest of the trip. Now you're choosing between an overnight, a refund, or renting a car.
Our diversion guide breaks down exactly what tends to happen at Eagle, Grand Junction, and Denver, including bus protocols and drive times. The faster you figure out which of the four situations you're in, the less time you waste chasing the wrong fix. The single most useful question to ask a gate agent is simple: "What are my options to get to Aspen today?"
Start Rebooking Before You Land
The most important minutes happen while you're still in the air. The moment the captain says you're diverting, your flight's status changes in the airline's system, and rebooking options usually open up right away. Whoever acts first gets the best seats.
- Connect to in-flight wifi if you can. Even a basic messaging or "free for app" tier is often enough to open the airline app. Many airlines let you browse and message for free even when full internet costs money.
- Open the app and find your trip. Look for a "rebook," "change flight," or "view options" button on the disrupted segment. During irregular operations, airlines often let you self-rebook onto the next available flight with no fee.
- Don't tap "cancel." Canceling your own flight can turn a protected rebooking into a voluntary change, which can cost you money and your place in line. Let the airline mark the flight as disrupted.
- Screenshot any options you see. Connections drop. If you find a good flight, capture it so you can quote the exact flight number to an agent later.
If the app shows you a same-day flight back to Aspen and lets you grab it, take it. You can always give it up later if a bus turns out to be faster. A held seat is worth more than a maybe.
Work Three Channels at Once
Here's the mistake most passengers make: they get off the plane and walk straight to the customer service counter, then stand in a line of 70 people who all want the same thing. The line is the slowest option. The travelers who get to Aspen first are the ones running several channels in parallel.
| Channel | Why it works | Best for |
|---|---|---|
| Airline app | Instant, no waiting, often shows the same inventory an agent sees | Simple rebookings on the same airline |
| Phone line | A live agent can do things the app can't, like rebook on a partner | Complicated trips, families, missed connections |
| Counter or gate agent | In-person, can hand you hotel or meal vouchers if offered | Bags, paper documents, anything physical |
Do all three at the same time. Get in the counter line, but while you wait, open the app and call the phone line and put it on speaker. Whichever one solves your problem first wins, and you simply hang up or step out of line. Phone agents and counter agents pull from the same system, so it's purely a race to whoever reaches you first.
Airline phone numbers
Every commercial flight to Aspen is flown by SkyWest under one of three brands. Call the mainline number for whichever brand sold your ticket, not SkyWest. All three lines are open 24 hours a day. On a phone? Tap to dial.
| Your ticket says | Call |
|---|---|
| United Express | United: 1-800-864-8331 |
| Delta Connection | Delta: 1-800-221-1212 |
| American Eagle | American: 1-800-433-7300 |
Two phone tricks that help
Call the airline's international or premium-line number if your home-country line has an hour-long hold. The agents can handle the same booking and the queues are often shorter. Also try the airline's social media chat or messaging in the app, which is sometimes staffed by a separate team that can rebook you while the phone line is jammed.
Same Day or Next Day? How to Read It
The biggest fork after a divert is whether you're getting to Aspen today or sleeping somewhere along the way. A few signs tell you which way it's leaning before an agent even says so.
Signs you'll make it the same day
- You diverted to Eagle or Grand Junction, and the airline mentions a bus.
- The Aspen weather that caused the divert is forecast to lift within a few hours.
- It's still morning or midday, so there are more flights left on the schedule.
- You landed at Denver, where there are several Aspen flights a day to rebook onto.
Signs you're looking at an overnight
- It's already evening and the last Aspen flights of the day are gone.
- The storm is forecast to sit over the mountains overnight.
- Every same-day flight is full and you're far down the standby list.
- The airline starts talking about hotel options or a refund instead of a new flight.
Aspen diversions are almost always weather-driven, and weather can change fast. If you understand the specific conditions that ground Aspen flights, you can read a forecast and make a smarter call about whether to wait it out or bail to a car. That's the difference between a three-hour delay and a wasted day.
Bus, New Flight, or Self-Rescue?
Once you know your options, you have to pick one. Here's how to think about the trade-offs, fastest path first.
Take the bus if it's offered (Eagle or Grand Junction)
When the airline runs a bus to Aspen, it is usually your best bet from Eagle or Grand Junction. It's free, it's guaranteed to get you there, and it doesn't depend on the weather clearing for another flight. The drive is long but it's moving in the right direction. The catch is that the bus may wait for everyone to deplane before it leaves, so settle in for a bit of a wait, then a steady ride.
Take a rebooked flight if you're at Denver
From Denver, a new flight is usually faster than a 4-hour drive, as long as the weather cooperates. Denver has the most Aspen service of any city, so if conditions are clearing you may be on a plane within hours. Grab the earliest confirmed seat you can, and ask to be added to the standby list for anything sooner.
Self-rescue when the day is a write-off
Sometimes the smart move is to stop waiting and drive yourself. If every flight is full, the weather is parked overhead, and you're staring at an overnight, a rental car can be the fastest way into Aspen. Ask the airline to refund the unused part of your ticket first; under current rules you're entitled to that money back if you don't fly the segment. Then weigh the drive against the conditions, because the same storm that closed Aspen is often sitting on the mountain passes you'd have to cross.
If diversions keep happening to you, it may be worth rethinking where you fly into entirely. Our guide on which airport to choose for Aspen compares ASE with Eagle, Grand Junction, and Denver on exactly this kind of reliability trade-off.
Protect Your Booking While You Sort It Out
A few habits keep a bad day from getting worse while you work the phones and apps.
- Never cancel your own flight. Let the airline mark it disrupted. A canceled-by-you ticket can lose its protected rebooking status and its automatic refund. Cancelling can also risk trip interruption benefits from many premium credit cards.
- Get on the standby list early. Even if you have a confirmed later flight, ask to stand by for anything earlier. It costs nothing and can move you up by hours.
- Hold one option before you chase a better one. Lock in a confirmed seat or a bus spot first, then look for something faster. Don't give up a sure thing for a maybe.
- Photograph your bag tags and boarding pass. If you take a bus and your bag stays with the plane, you'll need the tag number to track it.
- Keep every receipt. Even when the airline isn't required to pay, travel insurance or a credit card travel benefit sometimes will.
What the Airline Owes You
Because Aspen diversions are weather-driven, they're classified as outside the airline's control. That shapes what you can expect. The short version: the airline must rebook you at no cost or refund the unused part of your ticket, but for weather it generally does not owe you cash, a hotel, or meals. If your diversion was caused by something the airline controls, like a mechanical issue or crew shortage, you're owed more.
We cover the full breakdown of what airlines must and must not do in the main diversion guide's rights section. Knowing the line between "weather" and "airline-caused" is worth a few minutes, because it changes what you should ask for at the counter.
How to Avoid the Scramble Next Time
The best rebooking is the one you never have to do. Diversions at Aspen are common enough that most regular Aspen flyers have seen a few, but you can stack the odds in your favor.
Book earlier flights in the day when you can. Morning departures have the calmest conditions and leave the most backup flights on the schedule if something slips. When you're watching the forecast in the days before a trip, you can see trouble coming.
The KASE Weather dashboard tracks live and forecast conditions at Aspen and scores them against the actual limits these jets fly to. If it's flashing YELLOW or RED a few hours before your flight, that's your cue to call the airline about an earlier seat, or to have this rebooking playbook ready just in case. For repeat travelers, KASE Weather Premium can alert you when conditions turn, so you get a head start before the airline even makes the call.
The Bottom Line
If your Aspen flight just diverted, move fast and move in parallel. Start in the air, work the app, phone, and counter at the same time, and never cancel your own booking. From Eagle or Grand Junction, the bus is usually your friend. From Denver, a rebooked flight or a rental car is often quicker. Most diversions still end with you in Aspen the same day. The travelers who get there first aren't lucky; they just started rebooking before everyone else did.