Route reliability record
GRR→MSP
Grand Rapids to Minneapolis
- Flights
- 1,243
- Period
- July 2025 to June 2026
- Distance
- 408 mi
- Carriers
- 2
This route lands a B, 3 points better than the national rate of 77.6%. About one flight in five arrives 15 minutes late or worse, and those flights are late by a little over an hour on average. That is a workable record, not a spotless one. That rests on 1,243 GRR to MSP flights, of which Delta Air Lines flew 591 at 80.8% on time.
Best time to fly GRR to MSP: a 5am–8am departure, ideally on a Tuesday. Flights in that window arrived on time 84.7% of the time and Tuesday flights 85.9%, against 80.3% 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
80.3%
Arrivals under 15 minutes late, of 1,229 completed flights
Avg delay
80 min
Across delayed arrivals only, not all flights
Cancelled
1.05%
National rate is 1.81%
Best carrier
Delta
80.8% on time across 591 flights
These figures cover 1,243 flights between July 2025 and June 2026. Beyond the headline rate, 8.1% of arrivals land a full hour or more behind schedule. That is the number that wrecks a connection, and it is not visible in an on-time percentage alone.
Carrier by carrier
Which airline is most reliable on GRR to MSP
The two carriers here are closely matched: about a point separate the best from the worst. At that spread, schedule and price are better tie-breakers than reliability. Sample sizes are shown so you can see which rows are worth weighing.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| Delta Air Lines | 591 | 80.8% | 80 min | 1.18% | B |
| SkyWest Airlines | 652 | 79.9% | 80 min | 0.92% | B+ |
No carrier stands out. Delta tops the table at 80.8%, about a point clear of the bottom, which is inside the range this kind of sample moves year to year.
Flight by flight
Flights on GRR to MSP
The flight numbers below flew this route at least 250 times in the period, busiest first. Each has its own record, with its schedule and delay causes.
Best ways to make this trip
The most reliable ways to fly Grand Rapids to Minneapolis
Every airline on this route, ranked by how often a scheduled flight actually operated and arrived on time, with its best departure time and most punctual flight number. No nearby airport pair beat these.
| Option | Airline | Success | On time | Cancelled | Best departure | Most punctual flight |
|---|---|---|---|---|---|---|
| 1. GRR → MSPGrand Rapids to Minneapolis | Delta Air Lines | 79.8% | 80.8% | 1.18% | 5am–8am, Mon | DL 2913 07:00 |
| 2. GRR → MSPGrand Rapids to Minneapolis | SkyWest Airlines | 79.2% | 79.9% | 0.92% | 5pm–8pm, Tue | — |
Success is the share of scheduled flights that operated and arrived less than 15 minutes late, so a cancelled flight counts against it. “(route)” means the best time comes from every carrier on the route rather than this airline alone.
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 12 points, against about a point between the best and worst carrier. Each bar is the on-time rate for flights scheduled inside that window.
- 5am–8am365 flights84.7%
- 8am–11am—
- 11am–2pm317 flights82.2%
- 2pm–5pm187 flights72.6%
- 5pm–8pm256 flights79.5%
- 8pm–5am118 flights75.9%
Scale runs 65% to 90%. Rows with fewer than 30 flights show a dash.
Book the early departure. Flights leaving between 5am–8am arrive on time 84.7% of the time, against 72.6% for the afternoon window. That is 12 points of difference for no extra money, and it comes from the same aircraft having had no earlier flight to fall behind on. The 5am–8am window is the busiest, with 365 flights scheduled in it.
Across the year
When delays peak on this route
This route's year swings by 35 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.
January is the weak month at 55.9% on time, against 91.3% in May. 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. June was the busiest month here, with 117 flights.
Across the week, Tuesday is the strongest day at 85.9% on time and Sunday the weakest at 77.1%. 9 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 58% of the 19,000 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.
- 58%Carrier
- 17%Extreme weather
- 13%National Airspace System
- 11%Late-arriving aircraft
Extreme weather accounts for 17% of delay minutes, well above the single-digit share typical across the system. Weather delays are lumpy: they arrive as whole bad days rather than as a steady drag, so the monthly strip above is the more useful view of the risk. The national share is 6%, so this operation carries roughly 2.8 times the usual weather exposure. The split is drawn from 19,337 reported delay minutes.
The largest share of delay minutes, 58%, 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 11,000 of the 19,000 delay minutes reported here.
Cancellations sit at 1.05% against a national 1.81%, which is ordinary. Diversions add another 0.08%.
Connections and stage length
What a delay here actually costs
8.1% 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 408 miles this is a short hop, and stage length matters more than it looks. A flight this short spends under two hours in the air, which leaves almost nothing to claw back a late pushback with. Delay here is decided on the ground, in the turn, which is why the 5am–8am window matters as much as it does.
The return leg runs 79.6% on time across 1,243 flights, within half a point of this direction. The two legs are scored separately because they usually differ; on this city pair they happen not to.
The sample behind these figures is 1,243 flights, enough that the headline rate is stable to within roughly a point. The hour-block and month splits divide that further, so read the thinner bars with more caution than the headline.
Work out the risk of missing a connection in MSP after this flight
What to do with this
Booking this route
Put together: the calendar is the biggest lever here, not the carrier or the hour. May runs 91.3% on time and January 55.9%, a swing of 35 points. If the dates move at all, move them out of January before you think about anything else. 1,229 completed flights over 12 months sit behind that.
Common questions
GRR to MSP questions
How often is GRR to MSP delayed?
About one flight in five arrives at least 15 minutes late, which is the Department of Transportation's definition of a delayed arrival. That works out to 19.7% of the 1,243 flights in this analysis, against 22.4% nationally. Delayed flights are late by a little over an hour on average.
Which airline is most reliable on GRR to MSP?
Delta Air Lines leads at 80.8% on time across 591 flights. SkyWest Airlines is at the other end on 79.9%, a gap of about a point. Sample size matters as much as the percentage: a rate built from a few hundred flights moves around far more than one built from ten thousand.
What time of day has the fewest delays on GRR to MSP?
The 5am–8am departure window is the strongest at 84.7% on time. The 2pm–5pm window is the weakest at 72.6%, 12 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 January delays on GRR to MSP?
January is the weakest month at 55.9% on time, compared with 91.3% in May. Across the year that is 35 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
- MSP to GRR — the return legseparate record
- Minneapolis-St Paul International (MSP) delay statistics
- Delta Air Lines on GRR to MSP80.8%
- SkyWest Airlines on GRR to MSP79.9%
- GRR to ORD, a related route68.3%
- ORD to MSP, a related route69.7%
- GRR to DTW, a related route78.2%
- Delta Air Lines on-time record80.8%
- SkyWest Airlines on-time record79.9%
- The best time of day to fly, according to 7.04 million flight records
- Connecting flights: how much buffer the data says you need
Direction matters. GRR to MSP and MSP to GRR 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.