Route · SPN → GUM · 2020–2025 BTS data
Saipan to Guam
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SPN to GUM (Saipan to Guam) ranks #4031 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 94.2%
- On-time
- +15.2 pts
- vs US avg
- 88 min
- Delay when late
- 1,676
- Flights
- #4031 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 | 2 | 0 | 0 | UA |
| Nov 2025 | 30 | 2 | 0 | 0 | UA |
| Oct 2025 | 31 | 1 | 1 | 0 | UA |
| Sep 2025 | 30 | 1 | 0 | 0 | UA |
| Aug 2025 | 31 | 3 | 0 | 0 | UA |
| Jul 2025 | 31 | 4 | 0 | 0 | UA |
| Jun 2025 | 30 | 0 | 0 | 0 | UA |
| May 2025 | 31 | 0 | 0 | 0 | UA |
| Apr 2025 | 30 | 1 | 0 | 0 | UA |
| Mar 2025 | 33 | 3 | 0 | 0 | UA |
| Jan 2025 | 31 | 2 | 0 | 0 | UA |
| Dec 2024 | 31 | 0 | 0 | 0 | UA |
| Nov 2024 | 30 | 2 | 1 | 0 | UA |
| Oct 2024 | 31 | 3 | 0 | 0 | UA |
| Sep 2024 | 30 | 1 | 1 | 0 | UA |
| Aug 2024 | 31 | 4 | 0 | 0 | UA |
| Jul 2024 | 31 | 4 | 0 | 0 | UA |
| Jun 2024 | 30 | 8 | 0 | 0 | UA |
| May 2024 | 31 | 0 | 0 | 0 | UA |
| Apr 2024 | 30 | 0 | 0 | 0 | UA |
| Mar 2024 | 31 | 2 | 0 | 0 | UA |
| Jan 2024 | 31 | 1 | 0 | 0 | UA |
| Dec 2023 | 31 | 0 | 0 | 0 | UA |
| Nov 2023 | 30 | 1 | 0 | 0 | UA |
SPN–GUM seasonal on-time pattern
Best: April (97.5%) · weakest: June (89.4%)
Strongest calendar month
April
97.5% on-time · ~30 flights/mo
Busiest calendar month
February
~42 flights/mo avg
Weakest calendar month
June
89.4% on-time · ~33 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.
SPN - Saipan
Full on-time, delay-cause, and seasonal performance for Saipan, TT.
SPN on-time profileGUM - Guam
Full on-time, delay-cause, and seasonal performance for Guam, TT.
GUM on-time profileCompare the two airports
See SPN and GUM side by side on delays, cancellations, and reliability.
Compare SPN vs GUMSimilar routes
Other BTS-tracked routes with comparable performance or trip length to SPN–GUM.
Routes with a similar on-time rate
What the Data Says About SPN to GUM
Saipan to Guam (SPN to GUM) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 94.2% on-time rate across 1,676 flights, with delays that do happen averaging 87.8 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, SPN–GUM peaks in April at 97.5% on-time while February carries the heaviest traffic (~42 flights per month) ; the softest month is June at 89.4%, a 8.1-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does SPN to GUM rank among US routes by traffic? ▼
How often are flights delayed from SPN to GUM? ▼
What is the cancellation rate for SPN to GUM? ▼
How far is the flight from SPN to GUM? ▼
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 SPN–GUM data
SPN–GUM runs 15.2 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare SPN and GUM airport profiles: delay causes and top routes differ even on the same corridor. SPN airport
- If your dates flex, April (97.5% on-time) beats June (89.4%) on this corridor. Seasonal chart
- 4 other routes post a similar 94.2% 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.