Route reliability record
MSP→ANC
Minneapolis to Anchorage
- Flights
- 781
- Period
- July 2025 to June 2026
- Distance
- 2,519 mi
- Carriers
- 2
This route sits in the middle of the pack with a B+. Close to three flights in four arrive on time by the DOT's definition, 2 points worse than the national rate of 77.6%. The late ones land a little over an hour behind schedule. That rests on 781 MSP to ANC flights, with a median arrival 2 minutes early.
Best time to fly MSP to ANC: a 8am–11am departure, ideally on a Thursday. Flights in that window arrived on time 84.7% of the time and Thursday flights 80.7%, against 75.6% for the route overall.
The US average over the same twelve months is 77.6%, so there is little to separate this route from the country as a whole. The variation that matters here is internal: which carrier, and what time of day.
Key figures
On time
75.6%
Arrivals under 15 minutes late, of 776 completed flights
Avg delay
77 min
Across delayed arrivals only, not all flights
Cancelled
0.38%
National rate is 1.81%
Best carrier
Delta
74.2% on time across 706 flights
These figures cover 781 flights between July 2025 and June 2026. The median arrival is 2 minutes early, which is the part an average hides: most flights here are fine, and the on-time rate is decided by a tail of badly late ones. On-time means under 15 minutes late, the DOT's own threshold.
Carrier by carrier
Which airline is most reliable on MSP to ANC
Only one carrier clears this site's 365-flight floor here, so there is no comparison to draw. The table below is the full picture.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| Alaska Airlinesthin sample | 75 | 89.2% | 59 min | 1.33% | A |
| Delta Air Lines | 706 | 74.2% | 78 min | 0.28% | C+ |
Departure window
The best time of day to leave
Departure time matters more here than the choice of carrier. The gap between the best and worst window is 14 points, against half a point between the best and worst carrier. Each bar is the on-time rate for flights scheduled inside that window.
- 5am–8am21 flights—
- 8am–11am144 flights84.7%
- 11am–2pm—
- 2pm–5pm245 flights73.1%
- 5pm–8pm124 flights71.0%
- 8pm–5am247 flights73.2%
Scale runs 65% to 90%. Rows with fewer than 30 flights show a dash.
Book the morning departure. Flights leaving between 8am–11am arrive on time 84.7% of the time, against 71.0% for the evening window. That is 14 points of difference for no extra money, and it comes from the same aircraft having had no earlier flight to fall behind on. The 8pm–5am window is the busiest, with 247 flights scheduled in it.
Across the year
When delays peak on this route
This route's year swings by 51 points from best month to worst, which is wide. An annual average tells you very little about the week you are actually flying, so read the strip rather than the headline if your dates are fixed.
December is the weak month at 39.3% on time, against 90.4% in August. Winter delays cluster: a single storm system can account for most of a month's shortfall, so an average December hides both very good weeks and genuinely unflyable days. July was the busiest month here, with 124 flights.
Across the week, Thursday is the strongest day at 80.7% on time and Sunday the weakest at 65.8%. 15 points is a smaller lever than departure hour, but it is free.
Delay causes
Why this route gets delayed
One category carries most of the weight here. Carrier accounts for 59% of the 15,000 delay minutes carriers reported, and the remaining four split what is left. The split is by minutes rather than by flights, so a few very long delays count for as much as many short ones.
- 59%Carrier
- 21%National Airspace System
- 18%Late-arriving aircraft
- 2%Extreme weather
The largest share of delay minutes, 59%, falls under carrier control: crew scheduling, maintenance, fuelling, baggage. Unlike weather, that is a management outcome, and it is the category where the gap between two carriers on the same schedule is genuinely earned. It accounts for 8,512 of the 15,000 delay minutes reported here. The split is drawn from 14,511 reported delay minutes.
Cancellations are rare at 0.38%, below the national 1.81% and low enough to earn the plus on the grade. Roughly one flight in 100 is called off; the risk here is arriving late, not not arriving.
Connections and stage length
What a delay here actually costs
7.0% of arrivals land an hour or more late, close to the national 8.1%. That is the figure that decides a connection, and it says a 60 to 75 minute layover is reasonable here while anything under 45 minutes is a bet. Most delays on this route last a little over an hour, which a normal layover absorbs.
At 2,519 miles this is transcontinental flying, and long routes get a quiet structural advantage. Scheduled block time on a flight this length carries more padding in absolute minutes, so a twenty-minute late departure often still becomes an on-time arrival. Read the on-time rate here as slightly flattering next to a short-haul route with the same operational quality.
The return leg is a different operation and performs like one: it runs 83.9% on time across 781 flights, 8 points above this direction. Departure banks, aircraft rotations and the congestion at each end all differ, so scoring the two directions together would average away a real 8 points of difference.
One caution: this is a thin sample. 781 flights over twelve months is enough to clear this site's floor but not enough to pin the rate down tightly, and a single bad week moves it by more than a point. Treat the grade as a rough reading.
Work out the risk of missing a connection in ANC after this flight
What to do with this
Booking this route
Put together: treat all of this as provisional. 781 flights over twelve months is enough to clear this site's floor and not enough to be confident to better than a couple of points. The 75.6% headline is the most reliable number on the page; the hour and month splits below it are built on a few dozen flights each. 776 completed flights over 12 months sit behind that.
Common questions
MSP to ANC questions
How often is MSP to ANC delayed?
About one flight in four arrives at least 15 minutes late, which is the Department of Transportation's definition of a delayed arrival. That works out to 24.4% of the 781 flights in this analysis, against 22.4% nationally. Delayed flights are late by a little over an hour on average.
How reliable is MSP to ANC compared with the rest of the country?
75.6% of flights arrive on time here against a national 77.6%, a difference of 2 points against it. That is worth a B+ on this site's grading scale.
What time of day has the fewest delays on MSP to ANC?
The 8am–11am departure window is the strongest at 84.7% on time. The 5pm–8pm window is the weakest at 71.0%, 14 points behind. Later departures inherit delays from earlier flights the same aircraft has already flown, which is why the curve slopes the way it does.
How bad are December delays on MSP to ANC?
December is the weakest month at 39.3% on time, compared with 90.4% in August. Across the year that is 51 points between the best and worst months. Moving flexible dates out of that month is one of the few things that reliably helps.
Related
Where to go next
- ANC to MSP — the return legseparate record
- Minneapolis-St Paul International (MSP) delay statistics
- MSP to ORD, a related route69.9%
- SEA to ANC, a related route75.2%
- MSP to DEN, a related route77.6%
- Alaska Airlines on-time record89.2%
- Delta Air Lines on-time record74.2%
- The best time of day to fly, according to 7.04 million flight records
- Worst months to fly in the US, ranked by the data
Direction matters. MSP to ANC and ANC to MSP are scored separately because they are separate operations, with different departure banks and different aircraft. Compare the return leg.
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Source: US DOT Bureau of Transportation Statistics, on-time performance data, July 2025 to June 2026. Last updated 15 September 2026; recomputed monthly. How this data is collected.