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Is a 40 min layover in Alliance long enough?

AIA · Alliance Municipal Airport · Alliance, United States
Probably Enough

Yes, 40 minutes is probably enough for a layover at AIA (Alliance).

Comfortable for the terminal's tiny footprint, assuming the connecting flight even exists at this time.
Quick Stats
Concourses
1
Max Transit
2m
Avg. Security
5m
Primary Hub
—
Minimum Connection Times
Domestic → Domestic
30min
✓
Domestic → International
45min
✗
International → Domestic
45min
✗
International → International
60min
✗
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Tips for 40 min Connections
There is essentially no same-day connection product at AIA since it operates only a few flights per day on a single subsidized route, usually to Denver.
Passengers needing to reach another destination almost always connect at the far end (like Denver International) rather than at Alliance itself.
The terminal has minimal amenities, so bring food and entertainment if you have a long layover before an outbound flight.
Security screening is only active shortly before scheduled departures, so arrive according to posted flight times rather than assuming a checkpoint is always open.
Because flight frequency is so low, missing a connection built around AIA usually means waiting until the next day's flight.
Busyness — Connection Risk
12a6a12p6p12a
Low risk
Moderate
High risk
Tight connections are safer outside peak hours. Morning rush (6–9a), midday (11a–2p), and evening (4–8p) are highest risk.
Getting Between Concourses
AIA has one small terminal building with a single gate area, so all passenger movement is on foot across a short lobby. There is no tram, shuttle, or secondary terminal, and no re-screening infrastructure since there is only one security checkpoint (when staffed at all).
Frequently Asked Questions
Is 40 minutes enough for a layover at Alliance Municipal Airport (AIA)?

Comfortable for the terminal's tiny footprint, assuming the connecting flight even exists at this time.

What is the minimum connection time at AIA?

Minimum connection times at Alliance Municipal Airport: Domestic-to-Domestic is 30 minutes, International-to-International is 60 minutes. These are the shortest layovers airlines will sell.

Can I make a 40 minutes connection at AIA on an international flight?

40 minutes is below the 60-minute international MCT at Alliance Municipal Airport. You may need to rush and could miss your connection. AIA has one small terminal building with a single gate area, so all passenger movement is on foot across a short lobby. There is no tram, shuttle, or secondary terminal, and no re-screening infrastructure since there is only one security checkpoint (when staffed at all).

What happens if I miss my connection at AIA?

If you miss a connection involving AIA, contact the operating carrier (typically the Essential Air Service partner) immediately, as flights are infrequent and rebooking often means the next day's single scheduled departure.

Other Layover Durations at AIA
25 min30 min35 min45 min50 min55 min1 hr1¼ hr1½ hr1¾ hr2 hr2½ hr3 hr4 hr
40 min Layovers at Other Airports
ATLAtlantaDFWDallas-Fort WorthORDChicagoDXBDubaiLHRLondon
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