Route · GUM → SPN · 2020–2025 BTS data
Guam to Saipan
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), GUM to SPN (Guam to Saipan) ranks #4030 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 95.5%
- On-time
- +16.5 pts
- vs US avg
- 71 min
- Delay when late
- 1,676
- Flights
- #4030 of 4927
- Corpus placement
Cancelled
0.4%
Best Month
N/A
Worst Month
N/A
Distance
129 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 31 | 5 | 0 | 0 | UA |
| Nov 2025 | 30 | 6 | 0 | 0 | UA |
| Oct 2025 | 31 | 0 | 1 | 0 | UA |
| Sep 2025 | 30 | 1 | 0 | 0 | UA |
| Aug 2025 | 31 | 0 | 0 | 0 | UA |
| Jul 2025 | 31 | 2 | 0 | 0 | UA |
| Jun 2025 | 30 | 0 | 0 | 0 | UA |
| May 2025 | 31 | 0 | 0 | 0 | UA |
| Apr 2025 | 30 | 0 | 0 | 0 | UA |
| Mar 2025 | 33 | 3 | 0 | 0 | UA |
| Jan 2025 | 31 | 4 | 0 | 0 | UA |
| Dec 2024 | 31 | 1 | 0 | 0 | UA |
| Nov 2024 | 30 | 1 | 1 | 0 | UA |
| Oct 2024 | 31 | 0 | 0 | 0 | UA |
| Sep 2024 | 30 | 0 | 1 | 0 | UA |
| Aug 2024 | 31 | 4 | 0 | 0 | UA |
| Jul 2024 | 31 | 1 | 0 | 0 | UA |
| Jun 2024 | 30 | 2 | 0 | 0 | UA |
| May 2024 | 31 | 0 | 0 | 0 | UA |
| Apr 2024 | 30 | 0 | 0 | 0 | UA |
| Mar 2024 | 31 | 0 | 0 | 0 | UA |
| Jan 2024 | 31 | 0 | 0 | 0 | UA |
| Dec 2023 | 31 | 0 | 0 | 0 | UA |
| Nov 2023 | 30 | 0 | 0 | 0 | UA |
GUM–SPN seasonal on-time pattern
Best: April (98.3%) · weakest: February (88.1%)
Strongest calendar month
April
98.3% on-time · ~30 flights/mo
Busiest calendar month
February
~42 flights/mo avg
Weakest calendar month
February
88.1% on-time · ~42 flights/mo
Cancellation Rate
0.4%
3 of 737 flights
Diversion Rate
0.0%
0 of 737 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
GUM - Guam
Full on-time, delay-cause, and seasonal performance for Guam, TT.
GUM on-time profileSPN - Saipan
Full on-time, delay-cause, and seasonal performance for Saipan, TT.
SPN on-time profileCompare the two airports
See GUM and SPN side by side on delays, cancellations, and reliability.
Compare GUM vs SPNOrigin-hub reliability standing
Among GUM's stronger departures
GUM → SPN posts a 95.5% on-time rate, landing in the ≥85% band with 2 of 2 BTS-tracked routes leaving Guam. The same hub also shows 0 mid-band and 0 challenged departures · fleet-wide on-time rank #1 of 4927 (highest on-time = #1).
Similar routes
Other BTS-tracked routes with comparable performance or trip length to GUM–SPN.
Routes with a similar on-time rate
What the Data Says About GUM to SPN
Guam to Saipan (GUM to SPN) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 95.5% on-time rate across 1,676 flights, with delays that do happen averaging 71.0 minutes. The corridor runs roughly 129 miles and is served by 1 carrier. Over the most recent 24 months, 3 of 737 flights were cancelled (0.4%) and 0 diverted (0.0%).
Monthly performance data for this route did not show a clear best/worst split in the sample window; review the monthly table above for period-by-period detail.
On the multi-year calendar, GUM–SPN peaks in April at 98.3% on-time while February carries the heaviest traffic (~42 flights per month) ; the softest month is February at 88.1%, a 10.2-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does GUM to SPN rank among US routes by traffic? ▼
How often are flights delayed from GUM to SPN? ▼
What is the cancellation rate for GUM to SPN? ▼
How far is the flight from GUM to SPN? ▼
Airports on this route
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Using GUM–SPN data
GUM–SPN runs 16.5 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare GUM and SPN airport profiles: delay causes and top routes differ even on the same corridor. GUM airport
- If your dates flex, April (98.3% on-time) beats February (88.1%) on this corridor. Seasonal chart
- 4 other routes post a similar 95.5% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.